I receive Home Theater Magazine as well. It is a decent Magazine. (Not as good as Audioholics though, by quite a bit, I just like print a fair amount.) The video reviews are usually pretty thorough. They have good tests there. The audio reviews are decent but still have the occasional flaws. The January issue gushes about the SVS SB-01 system with the PB-10 woofer. It got a performance rating of 97 I believe! They wish they would have had a better receiver to review it with as it was the "Spotlight System".
Last month the Pioneer Elite FD-110?? was rated the best flat panel ever tested. Black levels at .001 ire
I have not heard of Home Theater Builder Magazine, sorry.