badboy2,
I am going to go by a LHS that actually has an EK4 in stock and I will let you know about parts availability. There seems to be a lot of places that sell parts, and hop ups on line.
CaseyDDR,
This same hobby shop has both a T-Maxx and Ek4 in stock so I am going to go there this weekend and do a side by side comparrision. My mind is never totally made up until I actually buy one. (Geez, I am starting to sound like a women)
I got to tell ya that the video that LandShark posted the link to was awsome!
Who knows, if I get a good enough price, I might just end up getting both