I've got a question, but first there's a little background to be explained:
I started a codex marines army about two years ago by buying the Battle Company box set. This gave me a tremendous starting foundation of rhinos, devs, tacticals, and assault marines. From this platform I built up a sizable (3000+ points) marine army. I was happy with it, my sternguard and Ironclads were running about destroying things, and I even occasionally used my Thunderfire cannon.
Then the Space Wolf codex came out.
Being of Norwegian decent myself and always a fan of vikings, I fell in love with both the fluff and the rules. Although SW lacked some of the fun toys (Sternguard especially missed) I enjoyed an army that had awesome heroes, usable devastators and shamanistic superstitions. But what was I to do? Buy a whole new army? Instead I had my marines count as their wolf equivalents and bought what I needed to in order to create unique wolf units.
I now plan to try the same thing with BA, buying/converting sanquinary guard, baal predators, and sanguinary priests, while using my core of tactical and assault marine models.
Meanwhile I endeavor to come up with fluff to explain three organizations of combat doctrine in one chapter (as my codex marines were a homebrew to begin with) which is actually going rather well. I suppose it helps being an english major.
My question to you all is whether you consider this an alright thing to do? All of my friends had little issue with tactical marines as grey hunters or devastators as long fangs, but do you? If I put this army on the table, with its original color scheme and name, would you scoff or start rolling dice as though nothing was amiss?