Best amplifier for Acoustat 2+2 electrostats for holographic sound, or change speakers?

Also, like all planar these need vey precise positioning. 

This statement is not applicable to the big Soundlab speakers.  "Careful", yes, "precise", no. They can be near or far from the side walls.  They should be 2-3 feet from the back wall or corners or some bass peaks will occur in some rooms.  Slight relocation will reduce this dramatically with care.  But never never never, insert an "equalizer" between the pre and amp or you will lose much of the magic you worked so hard to achieve.  They can be 6-8 feet apart, 10+ feet apart, 10-14 feet from the listener, or as an incredible experience, the user can sit a couple feet in front.  There is no need for the listener to shift their head to find the "sweet spot".

Thanks, all, for the thoughtful responses.  To answer pindac, I am looking for 1) more immediacy and a bit more dynamic response of the various instruments and if possible, pushing the soundstage more forward (didn't mention that before).  I realize that the source recording has a lot to do with what is reproduced and a bad recording isn't going to be transformed into a life changing audio experience by the system, no matter what the quality of the equipment is.

I currently have 2 sets of amps and line stag preamps, so I can sell one of the sets for maybe $3k for a purchase.  It seems, though, that the resale value is always lower than what I hope for.

I also am wondering if I should look at other speakers, particularly open baffle designs.  The drawbacks of diving back into the speaker arena to me are 1) selling the Acoustats because of their size and vintage, and 2) the gazillion choices that I can read about but not audition.

I would get rid of the interfaces on those speakers and use a direct drive amp. I have Acoustat Model 2s and did exactly that using the Acoustat Servo amps. Going with a direct drive amp removes the transformers from the equation which can restrict dynamics. If immediacy and dynamics are your goal as far as I'm concerned direct drive amps are your answer.

Try stacking two Stillpoint Aperture panels dead center on the wall behind the Acoustat’s ( the first one approx 2 feet off the floor) and your sense of focus and immediacy will be noticeably enhanced... Also the resultant sound will be somewhat more lively, and engaging.... unfortunately they are somewhat pricey    (2k new).

Cheers.....

+1 clio09

When I had my 2+2s originally had the interfaces. Eventually I got a pair of their servo amps which sounded way better, but back then 20+ years ago they were unstable. However, long after I sold them someone updates them and are said to be very stable HTH