I have to admit, I was skeptical when I got my Yamaha RX 2700 but not only was it cheaper, they shipped it in 2 days. Very satisfied, and I bought the extra warrenty since they're not certified dealers. Overall, I'm very happy with them.
I did order my TV from tvauthority.com and I have to say I'm extremely dissapointed. I ordered it last Friday and I was told I might not expect the TV (a Panny THX60U) until the 27th, and not before thanksgiving! Ridiculous! I'm very very dissapointed, and I can't see that I can recommend them, given how this transaction is progressing (or NOT progressing). However, a lot of people seem to like them, so go figure.
As for butterfly, they're also a certified cnet store, for what that's worth.