We already have a chat forum http://sharetv.org/forum/chat
We already have a general TV discussion forum http://sharetv.org/forum/discuss
ye i mean like a chat box instant chat lol
If some-one else is on site your messages to each other either in a thread in the forum or PM is as near as dammit instaneous.
The problem is really that we have members all over the world and that each has a different personal time for being on site within that restriction.