Martin Logan speakers


Are Martin Logan speakers still considered to be high quality speakers?   (I have an opportunity to buy a used pair of Vistas)   I have an old Audio Research VT130 amplifier.    Would it be a good fit with the Martin Logans?  If not, what would be better, but not outrageously expensive?   
jcder
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I had CLS I, II and z, all driven by an ARC D115 mkII for nearly 30 years. You will love the sound of the VT130 on the Vistas. Midrange magic.

Replaced them with ML CLXs driven by an ARC REF150SE.

BTW, the pairing of the CLXs with the new BalancedForce subs is exceptional, once you fine tune the crossover with the Perfect Bass Kit.  Near ruler flat in room bass.
I also have ML CLX but paired with Descent i subs with CLX filters.  They integrate very well once set up properly.

I agree with Audioman58 that X-over capacitors can be replaced for an improvement, I used VCAP CuTF and OIMP as replacements for the factory Solens (big improvement but a very tight fit).

I power them with either Krell KSA 250 or ARC Classic 150 depending on my mood.  
My ESL 13a complete my latest high end system (Krell 575 mono/ Audio Research and PS Audio) and I couldn’t be happier. The subwoofer and panel are seamless; whatever problem they may have had in the past is non existent. It does have a small sweet spot. My friend owns the markedly less expensive ESL. His system is amazing. We’ve both owned lot speakers through the years and agree that the latest line by ML is our favorite. 
Echoing what's been said already, the VT130 will have no problem driving the Vistas and will be a great match.  Unless you want rock concert volume levels, but then you probably should be looking at other speakers if that's the case.  I have EM-ESL's which are pretty similar and drive them with a ARC VSI-60 and have no need for additional power.  I previously drove them with Rotel and Parasound solid state amps and Rogue tube amps.  Love them with tubes, hate them with solid state.