DR HiBeams. May not be as bright as other steels, but they last a lot longer and hold the brightness they do have. And if you've never used a round core string, you're in for a treat. Keep in mind they are lower tension than other strings, so you may actually want to get a standard 45-105 set.
Fuzzrocious Club #194
Brubaker Brute Squad #18
Spector Club #224 (USA NS-5MM, NS-2J)