I'm in the same boat as OP. I'm a new member and also want to hook up a switch to my wireless router.
I just ordered the TEG-S80G 8-port Gigabit switch. It's a rather new product from Trendnet and has no reviews on the Egg (yet). I'm hoping I didn't make a mistake in getting this one. Was seriously looking at the D-link and Netgear offerings that were in the same price range with same specs (Gigabit, Jumbo Frames) but decided to take a chance. Good warranty (5-years), NewEgg's standard return policy (refund 30 days, replace 1 year) , metal case (D-link's was plastic), case looks cool and designed well (Netgear's has the power-supply jack one the opposite side of the RJ-45 jacks) and last but not least, I think Trendnet's customer service (from what I've read) is head and shoulders above the other two companies.
So if OP hasn't got a switch yet, I'd take a long look at Trendnet's TEG-S80G.
I do have one question: I'm trying to get Internet connectivity in the basement of my home. So I want to relocate my WRT54G wireless broadband router (plan to upgrade the router soon) by running a 50ft Cat 5e cable from my cable modem (located on the first floor) down to the basement. Then connect the switch to the router, so both devices are now located in the basement, only the modem is upstairs. Then run another 50ft Cat 5e cable from one of the ports on the switch (which is now in the basement along with the router), back up to a PC located upstairs. Is it OK to do this? I ask because the post above me states to try and hook up devices to the switch as a first choice, and save the ports on the router for if you run out.
And actually, there's another reason. Seems better to me have both the router and switch in the basement. Because if I had the router upstairs next to the modem (like I do now), then in order to get Internet into the basement, I'd have to connect the one PC upstairs (wife's) to the router and then run a 50ft cable from from the router down to the basement to the switch. But that's not ideal because I'd like the wireless router in the basement (along with the switch) which is where most my equipment is (man cave) including other wireless equipment soon to be connected to my HDTV.
To my understanding, 50 ft cables shouldn't cause a problem. So would it be OK to run two of them in this manner and setup my LAN this way?