i think pillar diameter is now related to brim diameter. there isn't a separate box for it but it can be changed (version 1.4.6.9)
*edit*
it's actually the inflate raft/prime gap setting that sets pillar diameter. you can space the pillar from the model using brim diameter (and if you don't want the brim, i assume you can set brim height zero)
that just leaves angle from the model, which i don't know how to affect