Hi Lamer,
Well, to get the best suggestion, if would be good to get some details on what your needs and skills are.
For my own needs, the N900 from WD was a good choice because it has 7 gigabit ports. As far as I know this is the only one in the price range who offers such a debauchery of Ethernet ports ! All others offer only 4, 3 for the Apple product.
Other thing : do you need wireless ? Do you need an USB port to share files on your network ?
That are all things to consider in your buying 
Regards.
NetPenguin
