Earlier quoted context omitted.
Exactly - a desktop experience should track the current desktop hardware. If you have 512mb of ram and a pentium 4 then too bad. Let’s not hobble the future because of the past.
What about people who bought a low-to-mid range laptop last year? While 8G isn't .5G, it's still low enough that you'd quickly hit swap (a bloated modern browser + multimedia authoring tools) Tracking "current" desktop hardware is a quick way to get yourself another vista.
Obviously the CPU is a bit anemic which is noticeable when you do CPU heavy stuff like watching non-h264 videos on YouTube, but otherwise it's been very smooth and functional.