hi guys im an architecture student and im beginning to want to climb into the photography world. having bought a Lumix LX-3 two months ago (from Hong Kong) only made me wonder what the possiblities of having a DSLR would be!! (Lumix LX3 is 10mp, 24-60mm, F.2-2.8, ISO 80-3200) i take my LX3 with me nearly everyday so if i buy a DSLR it would only be for trips and days when i know im heading out to take nice pics, and i've read numerous threads on forums so i know the basic differences between these entry-level nikons are. obviously i like to take architecture/landscape pics , so i know sometime in the future i'll invest in a wide angle lens. and i know my photoshop - since i use it nearly everyday in school, i can shoot raw so the image processing wont be all that important. so here are the my thoughts on the nikons- ive been told they are better for landscapes. d40 - cheap!! but it sounds dumb that im getting something which has less MP than my LX-3... (but i wont be printing my photos larger than A4 probably) 240GBP on amazon d60 - more expensive!! is the sensor cleaning all that great? 340GBP on amazon d80 - if i get this i would be getting second hand.. altho the 11point AF wont really attract me.. the bigger viewfinder, more non-menu buttons (i hate going through all the menus on my LX-3), and the internal AF motor are the plus points.. but buying second hand scares me a little. around 300GBP?!? so.. would any experienced photographers tell me if my thoughts are correct and advice me on what are more important factors in a camera for archi/landscape shots please?? sorry i typed so much, i want to be as specific as possible so i can have specific constructive advice thanks!