Here are a few links to patterns and products for knitting in the pink.
Knitty Breast Cancer Special Issue
Several patterns to knit, my favorite is the heart scarf.
"Knit for the Cure"
A Purse pattern from DIY showing support of breast cancer awareness.
"Pink Ribbon Scarf"
A pretty pink scarf pattern using Lion Brand VelvetSpun.
Pink Ribbon Washcloth
Easy to knit washcloth with a ribbon motif in the middle.
Denise Needles Pink Kit
My favorite needles packaged with pink cords, with a portion of proceeds going to breast cancer research.
Serendipity Breast Cancer Knitting Needles
Wooden type needles with handcrafted breast cancer ribbon ends.