I dont think we have a consenses yet. There are still lots of different opinions.

I'm sold on Zaino's Perfect Tire gloss

http://www.zainostore.com/Merchant2/...ory_Code=Zaino

It will streak in moderate rain, however the lotion goes on so evenly and quickly that I dont mind the re-apply. Before that I used Mother's back-to-black which also had some streaking, but it took so much longer to apply so I looked elsewhere.