When my spokes broke on the BSR rear I had the opportunity to upgrade the rim. But I wanted to get back to riding quickly so I stayed with the steel rim.
However, I did build up a rim wish-list! In order of desire:
Excel
"Warp" 9
Tusk 7050 T-6
Amazon AHL 6061 $185 set
Aliexpress 6061 $150 set