Thiel 3.6 to Eggleston Andras II

The sub idea, is a good one, but I'd suggest a pair of them.

Depends on the size of the room and the sub.. I think a single REL B1 would certainly do the trick.. A pair of B2's would also be sweet.

I owned Thiel 3.6's for 8 years. I added a REL Stadium II about 4 years after I got the Thiel's and it vastly improved them - and not just in the bottom end. When it was time to upgrade, I also wasn't thrilled with the 3.7's. I went a completely different direction and went with Magnepan 3.6's after listening to a lot of different speakers (Andra I's being one of them). They're a very different sound from everything else, but are simply amazing - provided you can feed them properly and live with their limitations (looks, placement, etc.).

Now I'm eagerly waiting to hear the new Magnepan 3.7's :)

Nice Gtb, Maggies are another speaker that has always fascinated me. I haven't spent alot of time with them but plan to some day. I'm still hot on Andra's...

The Andra II's are great speakers. So are the Maggies in a different way. But the Andras are probably better for rock. Plus the bass is really good.