Hia,
Im currently hosting the secondary chat server that the latest client connects to by default. It should be up *most* of the time, but unfortunately im somewhat restricted by not having a static IP. If you don't get a chat server connection for a while, try going to small mode and clicking on File -> Refresh Gateways List. That might well fix things for a while.
Longer-term we'll look at better solutions
cheers
mit