http://outlet.dell.com
Dell Vostro, 1500 or 1520, or whatever size screen you'd be comfortable. I know the 1520s go for around $500 depending on options you get (warranty addons cost a bit).
As for lawnmowers, fuck Craftsman. They nickle and dime you on replacement parts. Junk.
Screw that. Honda mowers ftw.
Screw that. Honda mowers ftw.
Screw that. Hiring a lawn crew ftw
So what is teh deal with Vista? I've never used it, but everybody hates it.