Its hard to recommend any one server/network/channel (aside from the spamming angle). Everyone has their own favorite places to go for their own reasons. As Watchdog said, there are too many channels that only exist for filesharing or dont welcome new ppl. Its kind of like trying to find a new friend, you need to wander around and check places out till you find a comfy one.
A search on the site Watchdog suggested should help you find some places to check out, and once you are connected to a network, get a narrowed down, more specific list of their channels, like /list *script*