A course of the middle class to get heavy brother Canon 7D body: 1700$ - Nikon D300s body: 1700$ - Pentax K-x body: 600$ ****************CANON EOS 7D (18mp) - ISO 1600%100 full cropFull Resolutions >> http://img4.imageshack.us/img4/3950/e7dinbi01600.jpg****************NIKON D300S (12mp) - ISO 1600%100 full cropFull Resolutions >> http://img4.imageshack.us/img4/5012/d300sinbi1600.jpg****************PENTAX K-x (12mp) - ISO 1600%100 full cropFull Resolutions >> http://img12.imageshack.us/img12/8824/kxinbi01600.jpg****************CANON EOS 7D (18mp) - ISO 3200%100 full cropFull Resolutions >> http://img5.imageshack.us/img5/3517/e7dinbi03200.jpg****************NIKON D300S (12mp) - ISO 3200%100 full cropFull Resolutions>> http://img4.imageshack.us/img4/1169/d300sinbi3200.jpg****************PENTAX K-x (12mp) - ISO 3200%100 full cropFull Resolutions >> http://img5.imageshack.us/img5/2189/kxinbi03200.jpg****************CANON EOS 7D (18mp) - ISO 6400%100 full cropFull Resolutions >> http://img694.imageshack.us/img694/9727/e7dinbi06400.jpg****************NIKON D300S (12mp) - ISO 6400%100 full cropFull Resolutions >> http://img5.imageshack.us/img5/4710/d300sinbi6400.jpg****************PENTAX K-x (12mp) - ISO 6400%100 full cropFull Resolutions >> http://img692.imageshack.us/img692/5356/kxinbi06400.jpgImageresource Test >> Imaging Resource "Comparometer" ™ Digital Camera Image Comparison PageFull ResolutionsCanon 50D ISO6400http://75.126.132.154/PRODS/E50D/FULLRES/E50DINBI06400STDNR.JPGNikon D90 ISO6400http://75.126.132.154/PRODS/D90/FULLRES/D90INBI6400.JPGCanon 7D ISO12800http://75.126.132.154/PRODS/E7D/FULLRES/E7DINBI12800.JPGPentax K-x ISO12800http://75.126.132.154/PRODS/KX/FULLRES/KXINBI12800.JPG