I find Mike McKinleys book Maya for Game Artist to have a pretty good chapter on UV editing. If you can find it, look through it and see if it suits you, then buy it.
To narrow down hunting for tuts try one of these sites:
www.highend3D.com
www.learningmaya.com
www.3dtotal.com
Good Luck.
AIM: mhcannonDMC
"If you love your job, you'll never work another day in your life."