Techgage published a review of Logitech's updated G15 keyboard.
A quote from the article:
Logitech G15 Revision 2 Review
Logitech released a revised G5 mouse earlier this year, and now have given attention to their most popular gaming keyboard, the G15. Updates were made for the sake of size, so a few features have been modified to reflect that. In the end though, it still proves to be an exceptional offering.
Logitech G15 Revision 2 Review