MacBook Pro & bluetooth audio - why so buggy?

Hi!
I do, from time to time, try to hook up my Early 2011 13" MacBook Pro (running 10.6.8) with my Logitech wireless bluetooth speaker adapter. Sometimes it works - most of the time it doesn't.
It either won't connect at all - or the sound get's all chopped up (like if you try to watch a youtube HD clip on a 28,8 kbps dial-up).
So, whenever I want to enjoy Spotify through my loudspeakers, I have to use my iPhone, which works without a flaw, but I must say, it had been more convenient for me using my laptop instead.
I've seen similar problems concerning MacBook Pro and bluetooth audio on these forums, none of which there seems to be a solution to. And by looking at threads addressing this problem with laptops running Lion, I don't think upgrading the OS will solve the problem either.
Why this HUGE differences between Macbook Pro and Iphone bluetooth performance? What is causing this problem? Is it the bluetooth drivers? If so, is there some way to fix them? Like, downloading alternate drivers or modifying a string in a kext - something?
....Or am I forced to buy a separate bluetooth adapter for my macbook?

Unfortunately the problem is both software and hardware related. The software side of things can be semi-resolved by following the instructions at this blog:
http://mariusvw.com/2011/06/16/how-to-fix-the-crackling-bad-sound-of-bluetooth-a 2dp-headsets-or-speakers-on-mac-os-x/
And the hardware issue is just downright weird, this document from intel explains that USB 3.0 cables and internal connectors emit radio interferance on the same 2.4Ghtz frequency as bluetooth, thus the range and signal strength of bluetooth is significantly decreaced in macs. This explains why iOS devices have exellent connections up to 33 feet but macs cut out just a few meters away.
http://www.usb.org/developers/whitepapers/327216.pdf
Not looking good for mac users I'm afraid.

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