I am for sure a Slingo "Diehard" , but at the end of the day I loved playing a set of Ludwigs and several Pearl kits along the way. As far as sound goes I think size, heads & tuning are the main influences in sound, not so much even the shells or brand.
I remember a 10CC concert in the 70's with the two drummers sharing fills and picking up rolls 1/2 way around each of their kits. One on Ludwig & the other playing Slingerland. The tonal blend between the two kits was such that if you were not focused on their hands, you would not have had a clue who was playing what.
Great band by the way,
Cheers