Need help for my HT,looking to upgrade my speakers


Hi folks,
I enjoy HT 70/30%, just bought a b&w HTM2 for my center, looking for surround suggestions as well.
Now using b&w 602's for left/right (would like to change those) , subwoofer is Paradigm seismic 110 (new sub), love the sub would like to keep.
Should I stay with b&w speakers or is there an alternative speaker that would work well with the htm2, I was thinking of the Paradigm studio monitors v5 but not sure how the whole thing fits. For now I'm using a Marantz AVR. Family room is approx 15x20 high ceilings.
Any input is appreciated
Thank you
tesseract86
Thank you both so much for your valuable input,
I am looking at either the CM1 bookshelfs(new @ bestbuy)or
the 805's.
805's are your best choice. The HTM2 is basically an 805 in a different shaped cabinet.
Yeah, well one theory had you buy speakers first and then work on matching rest of gear to the speakers. I am just dubious that the marantz will drive the 805's to their (and your) happy place. The cm1's may even be too much speaker for anything but the most powerful and accomplished AVR.
hi knownothing,
I'm currently using the Marantz sr5004 but I am upgrading to the Marantz sr7005, btw it had a great review by Home Theater magazine.
the Marantz sr5004 handled my b&w lcr600 center and 602's with no problem. I'm Also looking at b&w 805 matrix.
I am using HDMI for both audio/video, I've been satisfied with digital sound so far, the sr7005 is rated at 125 wpc.
thanks
Tesseract86,

How do I put this. Previous generations of BW 800 series speakers are somewhat surgical tools and will ruthlessly expose even minor system weaknesses. 125 AVR watts do not equal 125 mid to hi fi stereo amplifier watts. At least the older version of the 805 is going to be much happier with the later (or more) vs the former. On the other hand, I have found the precurssor to the CM1, the BW 705 to be much more forgiving of lesser amps. Now I have heard AVR's that are really very good and the latest big Arcam could drive some very demanding Dynaudio Contours quite well. Is the Marantz sr7005 in the same league as the Arcam? I would look for some used 700 series or towards the new CM line unless another AVR upgrade is not to far down the road. I am completely open to correction on this point, but this is how I see it.