I am going to offer some unsolicited advice based upon my experience along the PCT...Other hikers may disagree with me...
I advocate that you go solo on the PCT...not in the sense that you won't hike with a partner, but in the sense that you will find people along the trail with whom you share a bond based upon mutual respect, common interests and most importantly, similar pace and hiking style. Hike with these people with the understanding that should either of you want to do his or her own thing, then by all means....
I would attest to the difficultly you may encounter finding any person who matches your pace and goals along the trail. Some people like to hike fast, other like to take their time. Some take few breaks others take a lot of breaks. Some enjoy town stops and take frequent zero days, others hike day-in and day-out. The point is that finding someone who suits your style is difficult and in my opinion, ever-changing. Be prepared to compromise should you hike with others. Compromise brings with it its own rewards and I hiked a great deal of the trail with people who were both faster and slower than my natural pace. I compromised in both respects. In exchange, I enjoyed a lot of great conversation, established new friendships and experienced things I may otherwise would have missed if completely on my own.
But I did hike on my own for about four weeks of the five-month journey...Sometimes this was out of necessity and other times just for the experience. I'd occasionally catch up to a hiker or two here and there (or more often than not, they'd catch up to me) and we would hike together for an afternoon or camp together for a night or two...But everyone has different goals, plans and town stops along the way...
Should you choose to attend the kickoff, you will undoubtedly head up the trail with the great masses, and bonds will form naturally.
Best of luck to you in 2010. It's a great trail.