Looks like the first two Phish summer tour dates have been leaked by TicketsNow.com (a TicketMaster company).
June 6th, 2009 – Comcast Center – MA (Mansfield, MA)
June 18th, 2009 – Post Gazette Pavilion At Star Lake (Pittsburgh, PA)
UPDATE 1/8/09: Today the 6/6 & 6/18 dates are no longer listed, but 6/19 @ Deer Creek is! See Who’s Got My Heady Organic Phish dates?
According to Billboard.com earlier today LiveNation.com also published information about these same dates/venues! LiveNation.com published a January 30th on-sale date for a June 18th Phish show at the Post-Gazette Pavilion (near Pittsburgh). They also reported that TicketsNow.com showed Phish playing Great Woods (near Boston) June 6.
Two Phish June dates leaked!