Giganews Usenet provides one of the most complete newsfeeds available with very few missing posts. They also provide spam filtering and an unlimited download package. Great as your primary provider or just to download fills.

They have a very impressive appearing configuration. Also, with the separate names based on the DS3 connection, users can use traceroute (or connect using all 3), to get the best possible connections.

Unlike most of the other usenet providers out there, Megabitz does not keep all of the junk groups. Their active list only contains 27,000 active groups. This will help speed up your download of the active list. In addition, the other 80,000 groups are usually only posted to by spammers anyway, so you won't waste your time looking for content that doesn't exist.

They operate their own servers. They have a ton of available bandwidth using their Quad T-3 backbone. They do not log who posted articles to their servers. And, finally, my personal connection speed to them is excellent.

I am putting MegaNetNews back up in the top part of my listing. They have contacted me and re-created my login information. During the move to their new servers they seem to have lost my information.

I still say caveat emptor, but things are looking up
MegaNetNews has recently restructured their news service. They are now operating their own private news servers. They currently have 3 servers. They also have a web2news interface that will be available shortly. At present, you must use their servers by number, but when they get everyting in the DNS working, you will be able to hit the machines by name. They also seem to have a lot of plans for the future according to what they told me in email.