Dave--thanks for the info, and clarifications.
When you said "I reached an agreement a while back with Greg Bildson at LimeWire that will see Acquisition's interface code return to the public domain as of version 0.76" I misunderstood _agreement_, and also forgot that you'd explained about an odd numbering system of beta releases. My apologies. My wife warns me--think more, submit less.

I guess _dependent_ on protocol is close enough to "essentially Limewire," but do you think the interface differences are enough to explain why Clueless, Sleepless and others see a significant difference in performance? If not, any tips on where to look until the next releases would be appreciated.

Re the financial aspects, I wrote earlier in this thread that "I hope to hear that Limewire and Acquisition work out a fee sharing arrangement, where each gets a portion of a fee in proportion to their contributions in core/gui development and OSX customer support, and both Limewire and Acquisition work on a system of recognition for the volunteer coders."

Is this too unrealistic or out of place, or is it already handled by the Pro donation/Acquisition registration fees? However it's handled, it seems important to know Acquisition and Limewire are cooperating.

Any new pointers or hope on sharing solutions for OSX?

Cheers--and thanks to all who are working on p2p.