Keep in mind, when your buying "superior" small speakers, your still paying a premium for "small" and your loosing a critical part of the sound spectrum.... the low resonating bass frequencies between 50hz and 100 hz.
that will effect dialog from people with deep resonant voices. The lower part of their voice will be coming from the subwoofer, which lemme tell you, aint ideal!
One viable solution is to find some small satellites that meld well with a more substantial center speaker. You might call this the 1-6-1 option:
1 substantial center speaker
and 4 or 6 satellite small speakers.
1 Substantial subwoofer
And with the new plasma, LCD, and DLP TVs, they are usually designed to be put on a stand, so all you need is a center speaker that fits "underneath" the TV on the stand.
And you can really optimize this configuration by getting a heavyweight center, and a nice subwoofer. The only thing you lose is this:
When the same sound that comes from your big center is played on your other 2 front speakers, the two side speakers will have a slightly different tonal quality. But in cases like this, your center will typically overpower the other speakers and you will mostly just hear "more" coming from the center.
Anyways theres other options, like the 3-4-1:
3 substantial speakers up front, 4 satellites for surround and 1 nice sub.
Or theres the 2-4-1 option:
In my bedroom I use 2 high quality speakers close to the TV up front, and forgo the center speaker. The trick to this is to put the 2 high quality speakers as close to the TV as possible, to anchor the dialog to the screen.
Then i use 4 satellite speakers to widen the soundstage provide surround ambience.
I put 2 satellites in the front corner of the bedroom, to widen the front soundstage, and 2 in the rear to provide rear effects and "backfill" the room with sound.
And then of course, 1 sub.
