Some sites as photoshopcafe, tutplus, eyesondesign, etc..are place you can get good tuts about photoshop
or you can post your questions here to get photoshop experiences from members on forum.
I have not any good tutorial for photoshop but i want to say you that you have to do google search to find photoshop tutorial. It is the best resource that provides you plenty of good photoshop tutorial site that helps you to learn about photoshop.