Here are some interesting Resources/Links for Retouchers :

RetouchPRO - Great forum plenty of resources
Model Mayhem - Site & Forums for the Fashion industry
adobe video training - free photoshop videos
National Association of Photoshop Professionals (NAPP) - Photoshop Resources
layers magazine - monthly lightroom article
photoshop user magazine - monthly lightroom tips
photoshop world - speaker<
flash on the beach - speaker at uk flash conference
adim / adobe - speaker
photoshop retouching - resource site
photoshop & lightroom - resource site
photography/design - resource inspiration
screen edit - design interview
flashforward - design interview
photography - online interview