In addition to what GreenReaper said, there's also whether or not the owners of the instance want the firehose directed at them right now. Instances.Social has a wizard picking from a much broader list; I generally recommend that since it means you're more likely to fit in with the community you land on.
In addition to what GreenReaper said, there's also whether or not the owners of the instance want the firehose directed at them right now. Instances.Social has a wizard picking from a much broader list; I generally recommend that since it means you're more likely to fit in with the community you land on.