HdE is right with the gundam situlation, the complete list for those licensed in america is as follows:
Mobile Suit Gundam
Mobile Suit Gundam Movies
Mobile Suit Zeta Gundam
Mobile Suit Zeta Gundam: A New Translation (i'm not too sure on this one i heard it was licensed or under review for license but nothing in quite a while)
Mobile Suit Gundam: Char's Counterattack
Mobile Suit Gundam F91
Mobile Suit Gundam 0080: War in the Pocket (best OVA hands down)
Mobile Suit Gundam 0083: Stardust Memories
Mobile Suit Gundam the 08th MS Team + Miller's Report
Mobile Fighter G Gundam
New Mobile Report Gundam Wing
New Mobile Report Gundam Wing: Endless Waltz
Mobile Suit Gundam Seed
Mobile Suit Gundam Seed Special Editions
Mobile Suit Gundam Seed Destiny
Mobile Suit Gundam Seed Destiny Final Plus
Mobile Suit Gundam 00
Mobile Suit Gundam 00 S2
Mobile Suit Gundam Unicorn
SD Gundam Force
compared to this list which is the shows we have over here:
Mobile Suit Gundam Movies
Mobile Suit Gundam Char's Counterattack
Mobile Suit Gundam F91
Mobile Suit Gundam 0083: The Afterglow of Zeon (movie version of the OVA series)
New Mobile Report Gundam Wing
New Mobile Report Gundam Wing: Endless Waltz
Mobile Suit Gundam Seed
Mobile Suit Gundam Seed Destiny
Mobile Suit Gundam 00
Mobile Suit Gundam 00 S2 (This is a given i would say)
Mobile Suit Gundam Unicorn
Which leaves the following in the air everywhere else apart from japan:
Mobile Suit Gundam ZZ
Mobile Suit Gundam V
After War Gundam X
Mobile Suit Turn A Gundam
MS Igloo
The astray shorts
Mobile Suit Gundam Seed Stargazer (online animation + DVD)
SD Gundam shorts (parodies and the new one coming out this month)
Mobile Suit Gundam 00 A wakening of Trailblazer (if Beez don't license this i'll be upset)
EDIT: I forgot about the Gundam Evolve shorts, it would be nice to have them all on DVD/Blu Ray