Thanks. One issue is whether a MIPS/SPIN/Wavecel helmet is also good for high-velocity impacts. The ConsumerReports reviews (via helmets.org) address that.
Of those tested by both:
Five Va Tech Stars and Excellent CR Impact protection:
•Bell Stratus MIPS
•Bontrager Charge WaveCel
•Bontrager Specter WaveCel
•Lazer Compact DLX MIPS
•Louis Garneau Raid MIPS
•Specialized Chamonix MIPS