I am using a foam gun. I really like the DP extreme foam. I also have Poorboys and Pinncale. The DP autobath is on sale, and I am tempted. I looked at the reviews, and was thinking about trying the Megs 62.
I know a lot of guys really like DG 901 in the foam gun. I never used it in a foam gun because I dont see a point in one but for a regular 2 bucket wash its the best I've used.
OT but this and your bogo thread are posted in the wrong subforum. This is not a "show and shine."