hi jem's member. i've already owned js100 with upgrades pickups, mo joe on the bridge and humbucker from hell,well the sound is awesome to me.nice combination for a strat guy like me.now i have this two guitar that i'm going to buy,i'm planing on buying an sa series guitar. i want to upgrade it with two dimarzio protrack on neck and mid position,dimarzio mo'jo on the bridge.is it a good combination?will it fit with mighty mite vs50 wilkinson tremolo? and what kind of nut should i use to make it stay in tune ?is the sa series neck feel like js100 neck?cause i'm so comfortble with the js100 neck.help me,somebody,someone....