Cain, I bought mine direct from Ben (PRP). He is a super guy and very fast service. He responds quickly to emails.
http://home.attbi.com/~teamprp/
The .28 shocks make settings much easier to achive. Rideheight, droop,etc.
I too saw that the new chassis is really thin in some areas. I assume that it will be fine as I cannot believe Losi would change things and not have tested them first.