Harry Potter and the Half-Blood Prince will be playing in three IMAX theatres in New York, LA and Chicago on July 15th. Links to the three 7/15 IMAX theatres are as follows:
http://www.imax.com/theatres/showtimes/AMC_Loews_Lincoln_Square_13
http://www.imax.com/theatres/showtimes/AMC_Century_City_15
http://www.imax.com/theatres/showtimes/Henry_Crown_MSI_OMNIMAX

Experience it in IMAX 3D July 29th.

Thanks to WB for mailing!