Went last year, mid March. Purchased tickets thru Ticketmaster mid February.
Ticketmaster sells a few seats in the 2nd row of the lower section and rows 4-6, or so, in the upper section. We had tickets in the upper/center section and they were great. You could see everything, including the "action" that takes place on the aisle between the upper and lower sections. The seats in the lower section would have been too close to the front.
Go to ticketmaster.com. Online, you can actually see which seats are available before you purchase them! You should be able to check out your dates in June.
Enjoy the show.