My home theater setup is an Integra 50.1 reciever with the Focal 836v mains, Martin Logan Dynamo 700 subwoofer and a pair of Infinity TSS-800 surrounds. The rear channel speakers are pathetic compared to my Focals and I don't use a center channel (I sold my Bose to a co-worker because it degraded the sound compared to the Focals) and my home theater sounds really good. I think anyone that's not an audio snob would approve. Don't spend big money on rear channel speakers, it doesn't take audiophile speakers for surround sound unless you want to get into multi channel SACD audio type of stuff.
I'm sure my Focals could sound a little better using a dedicated 2 channel amplifier, but life's a compromise. My room acoustics are very different from the store that I purchased them from and I actually like the sound at my house better overall compared to what I heard at the store hooked to equipment worth many times (i.e. speaker wires worth several times my entire system) what I have. There were certainly some sonic improvements in the store, but overall the room makes more of a difference for me.
p.s. I don't think there are speakers designed for HT beyond being small. Speakers are speakers.
I'm sure my Focals could sound a little better using a dedicated 2 channel amplifier, but life's a compromise. My room acoustics are very different from the store that I purchased them from and I actually like the sound at my house better overall compared to what I heard at the store hooked to equipment worth many times (i.e. speaker wires worth several times my entire system) what I have. There were certainly some sonic improvements in the store, but overall the room makes more of a difference for me.
p.s. I don't think there are speakers designed for HT beyond being small. Speakers are speakers.