how is www.netbilling.com
 

can i use them just as payment gateway for my merchant account?

I only heared good things about them.

And if I am not mistaking the owner does post here, so I'm sure you'll have your question answered in no time at all.

In the mean time I'l bump it for you :)

Yeah they are legit..

will they work with non americans?

Yes you can jaffa1
They are good.

any other payment gateways you suggest? i want to choose the best

We have programmerd check-outs for several sites trough them.
I stronglly recommend them to you.

:thumbsup