I think it looks pretty good, especially for a first model. And modelling definately isn't my thing, and i know nothing about it, but the texture on the big round part in the front looks pretty blurry. I know it's just from being stretched, but you might want to try fixing or finding a way around it. Once again, i don't make models, so that might not even be possible, i wouldn't know.
PS: You've made quite a few threads recently. Maybe you could make 1 or 2 master ones that contain specific things, instead of having a bunch of smaller ones all over the forums. It would be easier for you and everyone else, as you wouldn't need to individually look at every single one to read the replies. Just a suggestion...
Cheers, Jake
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-The Clarkson Residence- (WIP)