What the Best 7.1 Speaker system?

What's your budget?

This setup is quite nice, and would work well with the 50 watts per channel that your receiver provides.

Possibly, but it won't be as good as the one I linked to. If you can stretch your budget a bit, the $999 system from my link above (the 5.1 with the PB10-NSD sub) would be an excellent choice. Even though it is only 5.1, it would actually sound better than a mediocre 7.1 setup, which is why I would recommend it.

Note: if you are in a larger room, or simply like a LOT of bass, the $150 upgrade to the 12" sub is well worth it. See here for a review that shows why I would recommend this setup so much.

You can in fact get those.

They have 3.5" midrange drivers, rather than the 5.25" of the SVS. This means the main speakers will not extend as deep, and will be somewhat gutless by comparison. In addition, I would doubt if that sub is near the quality of the SVS PB10-ISD. Overall, that setup would be quite a bit worse. The 120Hz crossover would mean the subwoofer would have to take over frequencies up to 120Hz, which causes problems with localization (I.E. a 110Hz tone will be heard as coming from the corner of the room by the subwoofer, even if it is supposed to be centered), and besides which it is difficult for a subwoofer to hit tones that high without significant distortion.

Basically, you're quite a bit better off with a different system, preferably with midrange drivers >5" and capable of sub-100Hz extension (the SVS mains are good down to 68Hz for example).

Don't get me wrong - those speakers would sound fine. They just wouldn't sound nearly as good as the many better speakers out there.

Waw, first of all I'd like to thanks you for the great answers.

Then... let me tell you my problem and problably you'll be able to help me.
I'm really happy with my harman/kardon AVR 254... as far as I saw it's pretty good, but for me it has one big issue.
Even if it has 3 hdmi ports in and 1 out, all of them are 720p. so I have to connect the dvr and the xbox360 direct to tv and use the receiver only for audio.

Let's say that I'd like to change this.. what's the home theatre system do you suggest to buy, not only the speakers but also the receiver. And of course a receiver that allow me to use a HDMI 1080p.

thanks !!!

cjl is right, your HK AVR-254 uses Faroudja DCDi Cinema, scaling/processing to 1080p.

Yes.

Here's what came from the manual:

Video Adjustments
The AVR 254 uses leading-edge Faroudja DCDi Cinema video processing
technology, with incoming video upscaled to 1080p (up to 1080i
when component video outputs are used) for outstanding video quality,
even with older analog video sources. Faroudja DCDi Cinema’s Dual 3D
comb filters and 10-bit video processing eliminates the jagged edges
and moiré patterns seen with less advanced processing. Thanks to this
“Torino” video processing chip, on-screen graphics may be generated
in high definition, and blended with the incoming video. This not only
delivers crisp, clear information messages, it allows you to continue to
watch a program while making system adjustments.
The video processor automatically provides the best picture based on
the capabilities of your video display and the incoming source video
signals. However, you may experiment with the Video Modes menu
adjustments to try to improve the picture further.

Here's another one:

NOTES:
• Copy-protected sources are not available at the Component
Video Monitor Outputs.
• Standard and high-definition analog video signals are
upscaled to 1080i resolution for the Component Video
Monitor Outputs. For improved video performance, consider
upgrading to an HDMI-capable video display with 1080p
resolution.

So my understanding is that when playing game console (X-360) you can not upscale. Try a different source (not a game console) using the same connection type.

Read page 49 on your owners manual and if you're still having problem HK advice you to call them. DUE TO COMPLEXITY OF YOUR SYSTEM.

If your budget is a couple thousand USD, what would be THE BEST WIRELESS 7.1 audio setup? For me it would be for both my PCs HDTVs. On my Alienware I have a Creative Soundblaster X-Fi Platinum Highdefinition 7.1 Audiocard. Again, I want THE BEST WIRELESS 7.1 audio setup that a few grand could buy.