I have been using NameCheap for approximately two years. No real problems, great prices and feature list. Their service is a little bit spotty: Sometimes, I get a response within hours. Other times, my e-mail seems to get lost, and I receive no response whatsoever.
Moniker.com seems to be the new big kid on the block, being used by all of the major players. If you prepay $1000, the prices are very similar, but Moniker.com is supposed to be more secure. This can either be a very good thing, or a very bad thing.
According to your comments they are very reliable, or am I missing out something here ?
If they are, it's weird they're discussed here so few times (few times compared to Namecheap, Domainsite, GoDaddy, eNom, ...)
Security is a very high matter for me, I don't have any domains worth lots of cash but they're emotionally valueble to me. So if Moniker is the best option, I may check them out.
Yes and that is what makes them good, they are making sure the requests are in order before any names are trasnfered. Might take a day or two longer but better to have your name than have it hijacked or straight out stolen.