You love knitting. You love Doctor Who. What could be more fun than combining the two? (Heh, that rhymed. Sorry. Not feeling very witty tonight.)
Anyways, I heard about this on a podcast I listen to (Geekson!), and knew I had to tell you. If you follow the link, it's a pattern on how to knit Daleks. Yes, Daleks. Way too complicated for me to ever even consider, but I figured you'd at least get a kick out of it, if you didn't try it for yourself.
http://www.etsy.com/view_listing.php?listing_id=5927584 Just sharing the geek love...