Angel (TV): Nicholas Brendon's manager has released an official statement about recent rumours that Xander would move over to the spin-off: "Nick will absolutely not be going over to 'Angel'. The possibility has never been entertained, nor would Nick be interested if it had been mentioned"
I've bought them second hand a few times (not from StubHub...from Craigslist) with no problems. Oddly enough, I've had bigger problems with Ticketmaster. They double-sold our exact seats to a show in Santa Barbara a couple of years ago.