I recently bought this from Amazon. (couldn't wait for 2 weeks!). Its a 100w version if you power it appropriately.
https://www.amazon.co.uk/gp/product/...?ie=UTF8&psc=1
As far as a review goes I took it round to my dads to try with his Penaudio speakers (9k new). His previous amplification (Talk Hurricane 3/Musical First/custom valve pre's) is now for sale.
So that's a £28 quid amp powering many grands worth of speakers replacing a couple of grands worth of amplification. The synergy with the speakers was utterly astonishing.
Now being run off a linear power supply set at 18v. Everyone should have one of these.