The Trek movies 1-6 release today in the U.S. on Blu-ray, and it turns out most of the original film grain has been digitally scrubbed away leading to waxy, unnatural images, please see these comparison screenshots (DVD, HDTV Broadcast, Blu-Ray) before making your choice
http://www.avsforum.com/avs-vb/showthread.php?t=1146477
(to the mods, sorry if linking to another website is forbidden)
http://www.avsforum.com/avs-vb/showthread.php?t=1146477
(to the mods, sorry if linking to another website is forbidden)