Quite honestly, if you don't want Vista, I would not buy Dell unless they would ship it with XP. The OS is sooooooo important, and Vista is an absolute beast IMO, greedy, sloppy, and pretty well pointless.

As to panels, surely it is the resolution and the definition that is most important. I couldn't find numbers for the 22", but the 24" was only 1920x1200, my 17" laptop has that much, so I am not impressed.

AFAIAA, 32 bit systems can only address just over 3Gb of memory, so 4Gb is overkill.