Both vipers are already being replaced, as far as I know.
Doom made the new and freelancified mkII, and Xing made the mkI.
Oh and it does look good, really cool. I think it would be good for a VHF(just remove a few parts so it is thinner), or even more suited for a bomber.
It reminds me a bit of the Raven Claw, although it is much different.. Um...what?:P
<span style="font-familyalatino Linotype">
<span style="color:#000000">All morons hate it when you call them a moron.