Yaqin tube amps: any further thoughts?

[Feanor]

Once again I'm giving some thought to trying a tube amp; this has got to work with my Magneplanar MG 1.6's. It's also go to be cheap.

My objective here is experimentation, specifically to try a tube power or integrated with 50+ wpc. I could use it full range or for the treble in a passive bi-amp configuration. (The Maggies crossover at about 600 Hz; the bass would be powered by my Class D Audio SDS-258.) This won't be a "SET" amp of course, and will need to operate in pentode or "ultralinear" mode to achieve 50+ wpc.

Cyto and Poultrygeist have owned Yaqin amps and wonder if they or anyone has further thoughts. The Yaqin MC-10L is sort of in my price range and is available from a Canadian deal with a good eBay reputation -- see HERE.

The dealer also has a couple of slightly more up-scale models, the MS-20L, (HERE), and the MC-100B, (HERE). If there were a good reason I could probably stretch to their prices.