I replaced mine with 2 12 SMD LED panel lights. Quite a bit brighter than stock. Like these:

New 12 SMD LED Car Dome Light Bulbs Festoon T10 WHITE:eBay Motors (item 270407335573 end time Jun-18-09 22:31:39 PDT)

I used these first:

http://cgi.ebay.com/ebaymotors/20x-1...5%7C240%3A1318

And I bought the 20 pack. I use the on all of the vehicles! Courtesy lights, doors, side markers. Nice.