mmmm... knit into the stitch below! It does such lovely and surprising things with varigated yarn! Here, a knitty tutorial showing how many yarns behaved, and ended up in a very unusual patchwork blanket called "sweet spot" [Find more of Aunt Ruth's favorite knitting tech pins at www.pinterest.com... ]
Provisionally Casting On With A Crochet Hook | Eskimimi Makes - via bit.ly/epinner << I use this non-provisionally too (just use the working yarn, and don't bother with a chain at the start/end). Makes a great match to the standard knitted bind-off edge.