Infocus LP 600:
* 1,024 x 768 XGA native resolution
* 2,500 ANSI lumens, 1000:1 contrast ratio
* HDTV, NTSC, and PAL signals; PC/Mac
* Composite, component, and S-video inputs
* 3-watt mono speaker; 2-year warranty
InFocus LP435Z:
similiar to above
Sony has only 640 x 480 resolution so will be no good for any kind of real projection IMO. Either of the infocus' should be fine though, if you can get them for a 'good' price.