Opera 11.10 Barracuda adds infinite Speed Dial
Opera has temporarily disabled Speed Dial sync in this build, and there are a handful of other known issues listed on the official blog post.
As for this being the "big secret" planned for the Opera 11.10 release -- Opera's Thomas Ford tells us "That's not the only improvement we have lined up for Opera 11.10, though. Speed Dial is just the first to get an overhaul."
Download Opera 11.10 build 2104 for Windows / Mac / Linux/FreeBSD