I bought a V7LW on Friday and couldn't be happier with it. I installed an AFG2 and got a set of Magpul BUIS sighted in yesterday. Their MFR rail with the mid-length gas system was a big selling point for me as well as DD's reputation for quality and customer service.
I really liked the spec on this rifle, I didn't have to replace anything to get exactly what I wanted... I just installed the AFG2, BUIS and RSA and I had exactly what I would have built otherwise.