i was wondering what everyone else prefers when it comes to upgraded parts for the E-Maxx (or any RC in general). i have always been a firm believer on upgrading with RPM parts. i have considered doing Aluminum upgrades but have decided not to due to my "skill" level when it comes to driving my RC cars. I have heard that Aluminum upgrade parts, although durable, can bend at points that you wont even notice its bent causing unwanted driving effects. i have also heard that with upgrading to Aluminum that you end up breaking the plastic part it connects too. RPM on the other hand has alot of "flex" to them. also RPM has a nice warranty program that if i do break a RPM part i can send it in to get it replaced. i was wondering what everyone else thought about RPM v. Aluminum upgraded parts.......pros and cons.