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I am very fustrated and was hoping someone can help me. I started Anub'arak back when me and a group of friends played but they have all since quit. I dont want to do a char transfer but with only 1000 horde it looks like I am going to have to if I want to do any instance or find a guild or anything.
I am lvl 63 Shaman and if you have some good guilds to suggested to do instance with or end game I would appreciate. Or if you can tell me some good servers to transfer too. Like ones that aren't consumed with immature people that dont know how to play their character or run an instance. (Since I started playing again I believe I have only ran two instances lbrs and part of brd once and I have been playing for about a month)
I was looking at Archmondie I saw some good comments on here. Though if there are better servers please list. Any help with would be very much appreciated.

You're going to find immature people on every realm, guaranteed. If you want an active realm for instances and endgame, I'd look for a mature realm since most have guilds already established. You can use the realm list and look for the ones that have decent population and are green on submissions (since those servers have more accurate data than the ones who are yellow or red with submissions.) There's no "perfect" server, I would just create alts on the servers you're interested in and you can ask around to the players on that realm. That's probably the best way, since you can try out the server before you spend the money to transfer off.

Hope that helps.

..but with an lvl 63 shaman with no epix, you will never find a highend guild....

Highend guilds only take lvl 70 epix-chars with an experience in high instances, that's for sure.