Look for some older ninja 900s, or older hondas. Don't get a 600... everyone says to learn, on one smaller, but how about this...., just don't be an idiot on the bigger one?
I bought a 954 cbr for a first bike, my friend bought a ninja 900 for a first bike, and we have both been riding for over 2 years and just took it easy for the first few months.
I guess if you have never ridden anything like a motorcycle before then maybe its a good choice, but....you're going to upgrade sooner or later.
Edit: If you look at it closely every bike is pretty close to being the same (around the same class anyway) ... I mean, some bikes are like .1 second faster in the 1/4 mile... thats not really anything. I would get something you feel comfortable on.