Here's a cool outfit that makes nice pickups for a nice price
http://store.guitarfetish.com/60grboovstse.html, Bill Lawrence is another pickup maker who gives you more for your buck than most, I have one Strat with the Lawrence single coils that sounds really nice. If you like a Tele vibe for your Strat, Lindy Fralin offers Strat PUPs that have the steel plate under the bridge PUP, I think they also offer the steel plates to add to your own PUPs too.