I've had a few problems with my Squeezebox Touch, but for me they've been nothing more than annoyances. I have mine pulling files off of a Synology NAS. My biggest annoyance is when the Touch decides that it doesn't want to see the files on the NAS or it just stops responding requiring a reset. Lately, it won't play files that I bought on iTunes, although it used to. The remote control software for it (Apple and Droid) is also a bit buggy. What I do like about the Touch is the ability to play hi def files and being able to control it with my Harmony remote.
Still, when I'm having a party or something and want trouble free running, I use my Sonos. The Sonos is more refined and does sound pretty darned good. It's also easier to use overall.
Honestly, if I had it to do all over again, I would probably just stick with the Sonos. I've never had to reset it. It just does what it's supposed to do all of the time. It sounds good and the software is rock solid.
At this point, I just keep the Touch because it was so cheap that getting rid of it just isn't worth the trouble.
The Touch isn't bad, it just has its quirks.