Just installed the mint xfce edition, and I'm getting some weird behavior with vncserver (tightvncserver). When remoting into the mint box (from windows using realVNC client), the tab key seems to be sending <super>tab, so instead of getting command-line completion, it switches windows on me. Pressing ctrl-tab appears to send a normal tab. Other ctrl key functions seem to work as expected: ctrl-a, ctrl-k, etc.
The vino server seems to do the correct thing, and I have no problems vnc'ing into my other machine, which is running kubuntu - so I don't think it's a client-side problem. The problem with vino is that it's roughly 10x slower.
My .vnc/xstartup looks like:
Any thoughts about how I can run down the cause of this issue?