hmm, yeah youre onto something here. premades come from the same server. but premades dont really happen 100% of the time for every BG'er right?
but oddly enough i heard that alliance wins 80% of WSG, AB, and EOTS or bloodlust US now, contrary to a year ago when i played, we got facerolled like it was our job.
i also heard that shadowburn is pretty equal on all maps...
and vindication is deeply alliance dominated according to
http://www.warcraftrealms.com/bg_list.php?id=10&lb=8, but it's not entirely accurate..