My Logitech Cordless Natural Desktop Pro is about the best I have ever used personally. It comes as a combo with a ball mouse ( Well came with a ball mouse I think the newer version uses like the MX1000 or something similar ). But I have a friend who has the new Saitek keyboard (One of them, they all type the same but different features) and he swears its the best thing since sliced bread. Now this is a die hard split keyboard guy (Split as in ergonomic) going back to a standard keyboard and he loves it.
But then again I have heard Logitechs new keyboard has the same feel as the Saiteks but more features.
http://www.logitech.com/index.cfm/produ...etails/US/EN,CRID=2166,CONTENTID=10717
Personally considering the cost and features of the Logitech G15 above and Saiteks high end I would have to give the edge to Logitech, this is if it feels like the reviews have claimed it does. The custom features and LCD for a similar price is pretty sweet. And I am not talking aobut list price, talking about what items can be found for.
Now all that said, I am just repeating what I have heard on all but the Cordless Pro I mentioned above. Oh and speaking of that Cordless Pro, I spend several hours 4-6 many days, some days 2-3 and I have not replaced batteries in four months.