Pass amps with Avantgarde duos?

I'd be interested in hearing from anyone who has experience with Pass amps (Aleph 30, XA-30, First Watt F1) driving Avantgarde Duos. I currently am using SET amp but am frustrated with tube reliability issues.
I had the same problem with my Uno's. Tubes sounded great but were a pain. I have THE answer. Aleph 3 (not 30). Avantgardes website used to have a few recommended amps on their website. The Aleph 3 was the only SS amp listed. This amp has cult statis for good reason. You can buy one for less than $1000 on Audiogon. If you get one and don't like it, don't worry about trying any other SS amps. If the Aleph 3 doesn't do it for you, no SS amp will. Just my experienced opinion.
Have you tried the XA or X.5 amps? If so, how did they compare to the Aleph3?
I'm curious..with all the great amplifiers out there,why only Pass? I know of a previous Decware SV83 monoblocks owner ,who replaced them with the Pass First watt F1.He then upgraded to the Clari T Amp from it. That sounds funny doesn't it.
Uprgrading from a $2500 amp to a $500 one.LOL

With a no risk 30 day return policy have absolutely nothing to lose..well maybe $10 for return shipping.
I seriously doubt you would return it.

There is a review by Positive Feedback already scheduled Positive Feedback preview . After this review comes out, prepare to wait.The line will be looooong!