Space invaders: ICv2.com has word from Tokyopop that manga retail display space is increasing, primarily in chain stores:

"Behind a 250% increase in year-over-year weekly manga sales, Hastings is doubling its manga display space and moving the section to a more prominent location. Musicland has added a new manga fixture, increasing space by around 75%.

"In test mode, Best Buy will try out anime-related manga titles this July and Tower is testing Tokyopop's permanent 40-pocket display now."