Mine came the other day and it's well packed with no issues at all but like Rcers said there do seem to be a problem some people are having with there CoG.
I'll post a link to rcgroups Vampire thread as it will be easier to find,i'd say read through it as there are some real good tips to be found in there mate.
http://www.rcgroups.com/forums/showthread.php?t=1489353