Not bad, Though i have to agree with Louis56, i preferred your earlier attempt. This one seems a tad bit too cartoonish, and a bit too basic for my liking.
Have you been using Refs?
Well, keep on working on it, and make sure you stick to the refs, and when you get something you start to like... don't trash it and start something totally new....... or you'll never finish a model.
Good Luck
Oh, one more thing. How long have you been doing this?
www.stevenegan-cgi.com
"Your weapons are no match for ours! People of Mars, surrender!"
"Um, this isn't Mars. This is Earth."
"Earth? Earth-with-nuclear-weapons Earth?"
"Yes."
[long pause] "Friend!!"