You wouldn't have near the trouble on BL. Alliance 2:1 against Horde, and they make it a practice to camp/raze Tarren Mill nearly every night.

They seemed to have switched to Splintertree recently, since it has 2 guards and most Horde towns don't Zerg-spawn guards, it's easily overran...

Also, Sun Rock Retreat seems to be a favorite. From what it appears, anywhere the Horde seems to kick the living hell out of the Alliance gets overran.

I'm glad we're not on Medivh though...