I've ordered online from thewarstore.com several times with no problem. I will continue ordering for them and have no problem recommending them.Personally, I phone orders into The War Store, a brick and mortar in NY. They offer a flat 20% off GW's website, which may not be quite as cheap as the eBay sellers, but I sleep easier for it. I actually just ordered some stuff on Saturday, and it is on route as I type.
(Getting some of the last VC Skeletons before they change them. A few more heads for the buck and I've got spare TK bits to adapt them.)
EDIT: In case anyone's interested, TheWarStore.com