I'm having difficulty choosing whether I should finally buy a DSLR (preferibly Canon) for my birthday. I know I'm still an amateur photographer who still has many things to learn about the camera, but I think it's time for an upgrade. My Panasonic Lumix DMC-FZ18 has served me well throughout the 2-3 years I've used it and I have been quite satisfied with the photographs - let alone the quality for it being a point and shoot. But, I think I would like to open up my options to something fresh. I also have enough money stored up to buy a decent one, but now that I am in college it's hard to decipher how much money or what I should use my money o