In reply to Climbyv:
If you're staying in Camp 4 it is really easy to find partners - there is a bulletin board on the warden kiosk on the way in, and you can post a note to request a partner. There are also lots of people in the campsite who go on their own, so you can find partners just by chatting to people or asking around.
Maybe you've already been previously, but I guess you might not know about this.
Have fun!
Chris