IDW Summer 2013 Transformers Collected Editions
First up, More Than Meets The Eye Volume 4 collects issues 12 through 15 and is scheduled for this August.
Lastly, the 30th Anniversary Collection! From the description provided by Amazon:
It's a celebration 30 years in the making! Relive the landmark comics that helped define the legacy of Transformers and read along with the creators that made these great comics as Jim Sorenson provides insight from a range of writers and artists that breathed life into the denizens of Cybertron. From Marvel to Dreamwave to IDW and other iterations in-between, this book is a must have for TF collectors!
Release dates are subject to change, as always.