Hello Dennis

May I suggest purusing the various RC tank club sites and the forums for RC tankers as this has a wide variety and modeler skill abroad.

There are so many, so I will give you the links page of my website such that you can puruse at your liesure:

http://www.sead.us/links.html

The armornuts forum and THQ forum are great resources for RC tank and the missing-lynx forum is great for modeling information. Both FRAG and MAAD club sites as well as SEAD have good technology sections for pointers on performance upgrades (and hints for building that Pershing)!