I can totally recommend it to anybody considering an upgrade. If you can afford some more $ pass the Silva and grab an Isomac
Positive Product Points
The Isomac is an upgrade from my old Gaggia Paros - and honestly - it's a huge step! Machine is easy to operate, e-61 group head gives you a wonderful temperature stability and of course two manometers simply rock :)
Negative Product Points
It's been already said somewhere - even having a 3 liter water tank, with flushing the group head before each extraction you end up short of water and need to refill all the time. Have to be very careful with a VERY HOT group head.
Detailed Commentary
I'm using it for just two weeks, so probably there is a lot to learn about it, but so far I'm very happy with the purchase. Also today I made my first movie with the Isomac operating (and a mazzer mini e with it) - http://www.youtube.com/watch?v=UO2cN2_7ajU (obviously i tamped too hard or grinded to fine, since the extraction took 1 minute, but hey... it's the beginning). I can totally recommend it to anybody considering an upgrade. If you can afford some more $ pass the Silva and grab an Isomac.
Buying Experience
Bought this machine on german e-bay from drkhendrix and can totally recommend it. European shipment was ultra fast and the price very good.
Three Month Followup
It's been 3 months since the Tea II shines in my kitchen, making me happy every morning I turn it on. I've added a digital thermometer (from Eric), since than shots became quite consistent, even not paying much attention to brewing procedure (especially in the morning).
Pros after 3months of use: - shiny beautiful construction ;) - ease of use, ease of getting decent ristrettos - two manometers, providing almost a full control over the process of brewing - ease in PST adjust
Cons: - still I think, that a 3L water tank should be bigger, - OPV could be adjusted easier, - used water reservoir could be better fitted in the machine - 2-3mm empty spaces on both sides, make me crazy (especially with the current price)