Here are a few strat style tele neck pickups:
http://harmonicdesign.net/allpages/teles.html look towards the bottom for
mini-strat
http://store.guitarfetish.com/alfaovpotene.html as someone above mentioned, GFS Fatbody
http://www.zhangbucker.com he will do pretty much any wind you want
Don Mare weighs in here re: strat style neck pickups in a tele
http://www.tdpri.com/forum/just-pickups ... telly.html
Obviously, GFS will be the cheapest one (although lots of people dig the GFS anyway, dollars be damned), so for the $20-30 worth a shot right? HD makes killer pickups, but not for cheap. And with regards to the middle position, its both pickups on, in parallel. Fender makes a 4-way switch, with the additional position being both on in series; cheap upgrade for another sound, right? Me, I dig strats, so my tele has a middle position routed, but then again, its not terribly traditional...
And my guitar I have with me on the other side of the pond, with the Area Hot T (before it was completed