Looks great!

You should get that Baker plugin. (If you don't have it already.) UV map your model as you normally would. But instead of painting a texture from the start, use procedurals to start out with to get a nice base for your texture. Then bake those to make your initial texture map based on your UV templates. Then paint on that to grunge it up and add wear marks, etc.

That way you save a bit of work when starting and still get the best of both worlds. :)

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
Also feel free to browse my freebies at ShareCG.
There might be something worth downloading.