from my own experience..
Scitex makes some great systems...I was running a Dolev 200 and 400 using PS/M and Full Auto Frames.
FAF was one of the best trapping programs I have used...handled everything I ever asked of it..
As far as Harlequin RIP's go, we used to use Easy trap, but it was worthless to us. From what I hear, the new version of easy trap is much better..
Depending on what your workflow is, it's hard to say which RIP will work better for you.
the RAMpage rip is an awesome rip as well, it has a ton of features that our shop would not use, no since is paying for features you wouldn't use.
I would call your local Dealers and talk with the reps. they can usually setup some tours of shops running their equipment...It will give you a chance to talk with the operators and see how the workflow works.