firstly i know nothing about cameras. i've had a point and shoot, and that's all i have done with it. no adjusting settings or anything. i've been looking for a new camera (considering a DSLR). how hard is it to use a DSLR? i'm pretty good with other tech stuff. i just don't know most of the camera terminology. like ISO. what is that? any recommendations? i'm looking for a camera that can take great macros and has a good video cam. budget ~$800 any thoughts on the nikon D60 or canon EOS rebel XSi?