Hmmm... speaking from my experience the only one I can personally recommend is the Diamond Goby. But if you can't get it, you can't get. I am pretty sure Karla has the ones you mentioned, maybe she can tell you about those.
If you can't get any gobies from around you or shipped, there are other fish and things that may help. Some people don't like gobies because they munch on bugs. I am ok with that because I think the balance is still there, especially with a lot of rock, but others aren't. But I think I've told you that before.
(Glad you like the site! I thought you fixed your computer, what's up with the 'guest' post?)
matt