ken_b - 12:45 am on Mar 22, 2010 (gmt 0)
I'm 10 years into a "hobby site" that makes "working" unnecessary and things are still going well.
First make sure you have 6 - 12 months expenses saved and available. Once you've got that done looking around for other opportunities will come with a lot less stress.
In the meantime, if the workload of your current site allows, maybe start to work on a new site of interest to you.