which switch should i use?

[xlulux]

Hi i am having some problems deciding which switch i should use in a lan network that would look something like this

http://img.photobucket.com/albums/v412/xlulux/topology.jpg

the problem is that i dont want router to actually act as a gateway anymore i only want it to be an ap for my main workstation.

i have contacted the linksys people to see what i can do about the router, but which switch should i use?

(what ones have you had good results with ?)