It's not the ultimate solution for this problem, but I run remote X11 pivot applications with Nomachine NX without performance issues, over an 1024k internet connection with latency 60 ms.. (however, clearly the redraws are slower than other app ) The NX free version let you run 2 sessions per server, it can help on development phase.
Damien >I've been trying to run a pivot app forwarded over SSH/X11 and the > performance makes it almost unusable
