Lookin' good dude.
There is a definate lack of center cvds for the newer emaxx, though there is atleast one option:
http://cgi.ebay.co.uk/Traxxas-E-Maxx...item53de2b83e8
RC-Best has a pretty good reputation, but to be honest the stock plastic driveshafts are pretty beefy, not like the old emaxx which had match-sticks for driveshafts...