Alright, so Microsoft, in it's infinite wisdom, has scheduled another Summer of Arcade. One problem though: It stops other XBLA for six weeks.
Games of Summer Of Arcade w/ Release Dates if known:
TMNT: Turtles in Time Re-shelled July 22
Marvel Vs. Capcom 2 June 29
Monkey Island Special Edition
This means Starting the 22nd or 29th, Six weeks of no other titles should released. The only plus is one of them is Monkey Island.
Also, this is what delayed Episode 1, as it was submitted during Winter of Arcade.