im after some views and opinions from people with experience with 6 degree beams

im looking to get a 6 dregree jobby for my 2wd saph (road going car, i dont intend to do any track days i it) but im after

-pro's and con's of having half the arm rose jointed and the other half slotted

- pro's and con's of having both ends of the arms rose jointed

any help and experience would be great