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.
I haven very little direct experience (domains registered there) with Moniker but I've talked with some of their people including Monte Cahn their CEO and they have all been great people to talk to and very honest about how they do business. They don't seem to be end-user oriented (well not cheap end users who are looking to registrar at the lowest upfront cost, maybe more corporate type end users).