Sunsolve is an excellent resource. I don't have any issues with the content - it's great stuff.
Where I do have problems is with it's reliability and performance. I couldn't get through at all for a while over the weekend, and often have problems with my automated patch scripts - which can time out, report 500 errors, or tell me I'm unauthorized, all at random, and have been that way for a long time.
I even got the following gem off the website just now:
Come on Sun - show us how good your stuff really is by making your own sites work well!