If the top a arms have heims that attatch to the frame you don't want them. Why? Well to put it bluntly you had to ask which ones are better. What i mean to say is this with the top a arms adjustable at this point you go do some really really sick things with them have the understeer on oversteer off the setup. The down side is this. You don't have years of experience setting em up, and you dont have a shop worthy of a couple of guys drooling over your tools.
With the top a arms being set in place without adjustments you just plug and play. With the exception of the tie rods which you have fool around with to get right.