We've found that the large Cyber White fog lamps are big enough, relatively, so check those out if you haven't yet. There are many labeled Cyber White, and the big retailers seem to carry the right ones. On my 94, I have Platinum Burners, which are smaller lamps that I got for $20 at Wal Mart. They look nice when a bit smaller, and I like to imagine that they're less restrictive to air. That'* ricing, though.
Should you happen to find lights that you want, beware that you'll have to do something with the stock because the mounting holes are in wide pieces of metal that may interfere with the lamps' mounting holes. Here'* my post:
Also, I have Silverstars in my 99 SLE, and they seem to last a long, long time - relatively. They're no lesser than stock lights, so what makes yours burn out?