Yeah if you show your wireframes and UV's and state what your target is, and you are posting on a regular basis, there is people who can help point out what you can do better. It's just people helping people, not like a service or anything.
Just make your models look good, then if you need help optimizing them you post your wireframes and UV's in the 3d showcase section and people will help you. You could have 300,000 triangles per gun and the game will still run fine. There is many other factors that are more important. The important thing is to not waste…