Well, here's what I found. You can get the whole series of V (Victory) Gundam subbed by Anime Skyscraper from here. For Gundam 0083: Stardust Memory, I have found some episodes (I think) but they are DVD rips. What I mean by rips is that they are seperated into vob, bin, and many other kinds of files. The only way you could watch them, I believe, is to burn them on a VCD/DVD. If you want them, here's one and here is the other. Sorry, but I couldn't find G Gundam. You might want to try checking using IRC or Direct Connect. Hope I could help.