Why are the H7s better? I guess the H7s having the superior beam pattern (especially when converting to HID), better light control, a razor sharp cutoff and bulb availability are always a downside.
Since the H7s arent legal on US roads, I guess that is a actual negative, but I have put countless hours on my H7s and havent had a moments trouble.
Expect to pay slightly more then the H9 DOT lamps ($40 extra/pair), since these are imported. The lamps are not listed on the site but if you give them a call they can give you all the info you need. Either way, I have delt with both Susquehanna and PUMA and both were excellent.
Clicky for H7s! 
