Yep, another Maguires fan here. I don't have a preferred washing solution, but I always use Clear Coat Prep (anti swirl stuff) and Gold Class Polish. Turns out really nicely, and gives the arms a good workout.
Went and got the special Meguiars 2 pack, that is Gold Class Polish and Gold Class Shampoo, that polsih is clear liquid, damn easy to put but damn damn damn hard to get off!!!!!!...its like baby oil!!!...thanks to the replies, Meguiars is a first class mix.