Got the RME Babyface Pro about a year ago, and I really like it. No hiccups at all -- no driver issues, no unplug and plug, no frozen/laggy mixer software, etc., it just works every damn time. I can't say that about any other audio interfaces I've used, and I've gone through several...
I don't get people who have problems with stuff. The Pro 14 has been rock solid for 5 years or more now. Across multiple OS upgrades too. And it's even running off a janky 2-adapter cable setup to go from Thunderbolt on the iMac to FireWire on the Pro 14.