You're right about beefier; I was thinking "higher quality" not
   beefier; cleaner voltage output, not so much the wattage.* [more
   of a watching out for the overall "motherboard" health,
   especially when messing around]. Motherboards can suffer the
   equivalent of "brown outs" with cruddy power supplies.* We get
   that at our house in the summertime.* They're barely noticeable
   'dips' in voltage overall, usually in the hottest parts of
   summer.** They're within acceptable limits, but more poorly made
   things can suffer from voltage drops, whether cheap motors or
   motherboards :P BUT - you might need a beefier power supply to
   run the extra fans or cooling units :P** they've always had
   higher quality air cooling systems available for computers;
   there's used to be companies who ONLY sold air conditioner units
   specially made for computers; or better quality internal cooling
   systems. [back in the ancient days of room-size computers, they
   had special cold rooms built for computers :P ] Still though,
   we're dealing with Moore's Law for some time now.* CPU's needed
   minimal cooling, then through the evolution of the Pentium
   chipsets, I watched it go from small 1/4 inch heatsink, to 1/2
   inch heatstink, to heatsinks with fans, to heatsinks with more
   advanced cooling technologies built-in.* Cheaper computers had
   the same cheap fans, laptops barely have any at all as the quest
   for skinnier and skinner took place. Thankfully though, reduced
   instruction set CPUs have come out; they run more efficiently*
   with the available space/heat limitations, allowing greater
   power in a smaller space with smaller power needs. As they push
   the physical limits of what the standard
   [1]https://en.wikipedia.org/wiki/Von_Neumann_architecture
   computer can handle in smaller and smaller spaces, we're bound
   to run into a few physics problems in the process and they've
   done a great job getting the most out of the least space. I'm
   most impressed by strides made in memory,* more space for data
   manipulation, strides in 3D matrix transforms directly on higher
   end video chipsets, and advances in solid state and even
   magnetic storage mediums.* really impressed. I think in the near
   future, memory requirements will change the style of CPU that's
   been in use for... a very long time now.. and the types of
   things being done on Video cards for display will be
   incorporated into data storage and in regular system memory.
   When THAT happens - when there is a 3D array-space available at
   a fundamental level, that's when computers will do absolutely
   unbelievable things... stuff we're barely straining to do today
   [like rendering a 3D image... or being forced to cheat in game
   engines by using mathematical formulas rather than being able to
   directly address points in 3D space]. I'm looking forward to the
   future.* What we have today is nice but we can go much further.
   They've also made strides with layering, sort of how they do it
   on maps.* It's not quite 3D space, but, like a series of
   transparencies on top of one another, it allows for more room in
   less space, and more points to be connected to one another.*
   What sucks for me is I can picture future computers, how the
   tertiary logic works in my head... but I don't have the skills
   to make it happen. Thankfully, I'm not the smartest guy in the
   world, so there's undoubtedly thousands of people working on the
   problem right now who have the same exact ideas, but with better
   resources. So, I just have to wait :P I'm not putting down
   "what's available today".* What's available today is great.* I
   just keep expecting 'more', My computer right now is rendering a
   large Minecraft map using overviewer.* Now this laptop is cheap.
   $400.* It's over 2 years old.* 2 cores.* 8 gigs of memory.* It's
   ancient stuff now. It estimates 240 hours to go on the
   processing. I know what the current specs are for better 2015
   computers and have a rough idea how much faster they would be at
   processing the same thing using the same code. I could
   distribute it among several computers in parallel to make it
   even faster. But the problem is more fundamental than clock
   speed.* It's the architecture.* We're trying to fit 3D (or 4D
   when dealing with Time, such as 3D videos), into a TWO
   DIMENSIONAL architecture. The whole architecture itself needs
   changing.* The logic - the math - the way chips are designed -
   They're working on it though, so I'm not worried.* I just keep
   waiting :P** I won't be happy 'til stuff is in consumer's hands
   and we take them for granted - like smartphones.* We barely
   think about them but that's where some of the greatest
   advancements have come in overall system design.

References

   Visible links
   1. https://en.wikipedia.org/wiki/Von_Neumann_architecture