For work I use a 5DII and a mix of lenses depending on the job and for personal use a well used but treasured 40D.
I'm too tired to go through all 4 pages of the thread but I assume that most of the members would have emphasized and advised on the who what whys and whatevers of photography and the gear relating to it.
Whatever camera you get, the most important is having fun while you're shooting.
And don't forget to visit the secret subsection of the forum once you're given access to it.
Its pretty much a fun place to be in.