I was just curious how many people are going to put the Mamba system in right away. I'm too poor to, though I think the VXL system might be even cooler just because its waterproof. Plus theres snow occasionally which I think will be a lot of fun. Also, from what I have seen it seems like the VXL system powers the Rustlers and Bandits pretty darn well. Hopefully it will be the same with the 4x4 slash. Either way, I can already imagine how much fun this beast is going to be. Thanks for listening Traxxas, I never wanted the 2wd Slash just because it didn't seem that capable but now its been updated!