Get the Bic and get as many M25s as you can from Accessories4less. They are currently on a special sale. The SP 52s you mentioned are $130 each so I'm gonna work off that value and tell you the M25s are $150 each with free shipping. They got rave reviews at the $1,000 a pair price point, so at $300/pr
they are pretty much gonna absolutely destroy anything in around the price point.
On the review side - The only reason the M25 set didn't get a perfect 5 stars from Sound and Vision
is because the MSurrounds and MCenter are, quite frankly, poor. But they still gave it 4 stars because the M25 was that good to over come it. AVRev
said the M25 is the new bench mark in sub-$1000 monitors. Digital Trends
said "The M25Bs were also a potent addition to the team. Some musical testing of the speakers isolated in stereo revealed an effortlessly capable command of the midrange and treble registers, with excellent balance and detail. As such, the M25s served as extremely capable surround speakers, exuding a high level of textural depth when given their turn at the shifting sound stage." The M-set got a 4 stars, because, once again, the MSurround and MCenter are quite poor, while the M25 was raved about. AdventureInHiDef
got to listen to them at a trade show and assumed they were $2K+ in value and calls it an absolute stunning achievement in the audio world... There are tonssss more reviews out there all praising it at ~$1k price point that they originally debuted at. At $150 each it is a total no brainer. If you're getting a sub, you won't need towers and you can just get these amazing bookshelves.
If that isn't your thing then BajaWaveRunner
is DefTech's official refurb seller. He sells the Studio Monitor 45s for $100 each (normal 200 each) on eBay as well as the SM55 for 180 each (normally 300 each). DefTech 45s got greatttt reviews as well.
Don't just jump for the Pioneer's unless you are getting a sweet deal on them. Like I said I worked off the standard going rate for the Pio floor standers, SP52, you listed, so this still might be out of your price range if you're getting a deal! haha