There's a lot of Al Fakher I love, also a bunch I hate. I also love Nakhla, its unwashed tobacco so you will get a buzz if you're not used to it. Check out their mizo line as its a bit more juicy and flavourful than the regular nakhla flavors. Can't go wrong with watermelon,guava, peach. Watermelon mint is a really good mix too.
Check out:
www.hookahforum.com or
www.hookahpro.com
Those are some good forums to get some info on hookahs,flavors,coals, etc.