I have a SSA, SSA-E, S3G, Hi-Speed (NM), and a ACT ALG
I always look at the SSA as a starting point.... the SSA is a GREAT all around trigger.
The SSA-E is going to be lighter a little more for precision shooting than the SSA.
The S3G is going to be a "speed shooting" trigger
I have the Hi-speed in a precision rifle, it is SUPER light!
The ACT ALG is better than most the standard LPK triggers i have used and relatively inexpensive.