[quote=@DisguisedDemon]
[@Rin] Ahhh!! That's one of the ones I haven't watched yet. That and Gundam Seed are up next though. 

I pretended like I was going in some sort of order. 
[/quote]

I recommend you hit up the original. Animation might seem dated, but it holds up incredibly well, and essentially [i]is[/i] Gundam. Everything else pretty much just follows in its footsteps.