OK, so I finally figured out the issue I was having with the netbook (HDD was messed up, all fixed now). So here are my impressions for the 32bit version running on 1GB of ram and a duel core Atom 1.66GHz:
Win8 is really not meant to run on this hardware.
1) 1GB of ram is simply not enough! Previous versions of win8 on this unit idled at ~250MB ram usage and everything ran relatively smooth. Someone at MS obviously decided that Ram is cheap enough that we should all upgrade because it idled at ~750MB, and would quickly jump into virtural memory once you open a few programs. I will throw in a 2GB stick tomorrow and see if that improves things
2) Atoms are not exactly power-house machines, but the CPU seems to keep up pretty well (for what it is). Running music in the background, and browsing the web had me at ~30-60% usage, so it is good enough for the simple tasks that it was meant for. Also, metro apps (like minesweeper and weather), which could barely run before, now seem to run OK.
3) GMA2150 sucks (this is no secret), and something better is apparently needed. All-in-all I think it runs faster than win7 did on it for things like video playback and such, but still quite rough. I bet this would work much better with my other netbook which is nearly identical except that it has DDR3 and a touch screen (sadly it is 2000 miles from here out on extended loan).
4) I like the mouse/touchpad features in RTM, much improved. My win7 mouse drivers installed properly, and so I was able to pinch-zoom and scroll with gestures. I wish win8 could natively add some sort of swipe in for the charms menu! That would really make things easier! My understanding is that most current devices and future devices will have drivers that allow for such functionality, but my little netbook is too old to get such support.
In addition to scrolling, you can now move the mouse 'past' the screen to scroll, which works well (especially when moving links around on the start screen), and use the arrow keys.
5) native resolution on the netbook is 1024x600, which is simply not enough for metro apps. Thankfully you can go into regedit, search for "Display1_DownScalingSupported" and change it from 0 to 1. This lets you run things in stretched mode 1024x768 (and at a higher resolution than GMA was meant to run at) so things will function properly in Metro, but everything looks a little squat and fat. Oddly, with this version (or maybe because I bothered to install the mouse driver), the mouse looked normal on top of the stretched interface.
6) everything feels more polished; From the way the programs interact, to the consistency of the interfaces now, it feels like a real OS, which is good.
Overall I think I like it. Hopefully adding some ram (and faster ram) will help move things along better. But for a netbook it seems to run well enough to consider the upgrade.
Tomorrow I will be getting my 2nd SSD (first attempt at RAID0
should be fun!), so once I get that installed I will put win8 on my real rig (i7 4.2GHz, 16GB of ram, GTX570, 2x240GB SSD RAID0 system drive). I am sure it will run smoothly, but I will get a much better feel for what issues are of the OS, and what issues were just my little netbook being a netbook.