well, I wanted to like it but it's ungodly slow on my setup whereas COT and VineViewer are MUCH MUCH faster. I'm talking approx 30 seconds to draw the initial screen and other molasses-like performance.
MBP C2D, 1600x1200 VNC4 server, VPN/1.5M-DSL
JollysFastVNC
Quick VNC viewer.
Version: 0.98.50