Hey man,

I would recomend going with the Tamiya A-10 kit as the fit of the parts will be a little better than the B-17.  They both build up into very nice models but the B-17 takes a bit more work to get done. 

In terms of paint, I hate to answer your question with a question.  But, are you planning on brush painting or do you have an airbrush? 

If your going to use an airbrush I would say Tamiya paints are fine.  But if your planning on brush painting Tamiya is not going to be your first choice.  Long story short, it is alcohol based and getting good results brush painting can be done but it is more challenging for most. 

If your going to brush paint, I would suggest getting ahold of some Vallejo paint.  The nice thing is that they are a little easier to work with and getting good results isn't as difficult as Tamiya.  Also, you can clean with water or you can actually use Windex or any generic window cleaner to clean the airbrush parts etc. 

Hopefully this info helps.