Howes should work fine. For water dispersion, both Howes and Power Service work well, they just do it in different ways. Howes' method is arguably better, but you won't go wrong with either. For anti gel both work equally well. For keeping injectors clean, Howes Meaner Cleaner works better than anything out there. And for cetane boost Power Service wins.
I'm in a Sprinter so I need the cetane boost thanks to this crappy American 44 diesel, so I use Power Service, along with a dollop of Meaner Cleaner to keep things clean.