[SOLVED] DDJ-S1 & Virtual DJ

HI. I want to buy controller - DDJ-T1 or DDJ-S1. which is better? I personally do not need 4 channels and work in Virtual DJ

I like S1, because it has 2 channels and display the volume, but stated that it works with Serato, so tell me please, will it work with the Virtual DJ? And what I need to adjust for this? thanx

p.s. what material are they made?