There's a lot of great computers out there across a wide range of prices. If you've got a favorite shop (online or off) you may want to ask them about their specials and their recommendations as many will have a preference and since they service the devices, they tend to know what's coming back and what's not.
Personally I'm a big Suunto user and have an air-integrated Vyper complete with SPG and Compass as well as a D9 wireless wrist watch. The d9 transmitter doesn't always stay synced up but I like the functionality of both. I've also been very impressed by a few of the Oceanic computers which I've had the chance to both dive and admire on others.
Just about any of the mainstream brands will provide something you can functionally use unless you pick something with a ton of extra technical features which would likely price it out of your consideration set anyways. So the real question is finding the right set of core features, the right feel and type (wireless vs integrated, big font vs lots of data at once, larger vs smaller) and feeling the unit is dependable and well backed.