I've been going to Howl O Scream every year since 06 or 07 and they've had Jack's Pumpkin Spice Ale every time (usually on tap in Festhaus). I don't know about this year but I'll be pretty dang sad if it's not there again!
Jack's Pumpkin Spice Ale.... the last time I had this was Busch Gardens HoS 2010 @ Grogan's Pub. Went missing last year and I didn't see any this year. St. George's Octoberfest was present, had it and decided I much preferred the PSA.