AudioGalaxy has spyware, which probably causes instability. Morpheus seems to work good, easy and fast, but can bog down a slower PC, or one that is multitasking. Also, if you use Morpheus, I recommend finding the reg keys that you can alter to get higher bitrate mp3's and more search results. I'd list the keys here, but unfortuneatly I'm not home. For those suggesting mIRC, it's probably a good method, but not for everybody. Someone should give some tips when they suggest mIRC because it's not for the novice. I wouldn't dare say Morpheus is best for all file sharing. Morpheus is good for music "if" hacked. Nothing I've come across compares to eDonkey2000 for movie sharing. I can get a ~700meg movie every 1.5-2 hours through it on a crappy cable modem, you can't find that quality, quantity or speed on Morpheus! eDonkey is probably not good for dialup, or music though. It is good for games, programs, and large files. eDonkey also performs better on faster PCs. If you're interested in eDonkey, read the tips, and learn the program well because it's very powerful if configured properly! Allow at least 20k uploading, and experiment higher connections settings.