Supratek preamps


Hi,
I'm very interested in these output trans coupled preamsp. Seems the same concept with Audio Note M3 but different tube. What's the experience that owners of the Supratek have? Any outright advantages or sound signatures or reliabilty issues?
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My current system is:

AudioMeca Mephisto 2 cd player
Nordost Valhalla Interconnect
Supratek Chardonnay
NBS Professional III interconnect
Electrocompaniet 100 watt DMB - (temporary)
AudioNote Kondo speaker cables tri-wired
Wilson-Benesch Act One speakers

Glad to hear you might try the Supratek. If you're into vinyl - you might try the Syrah. Mick's phono stage is supposed to be even better than the line stage (hard to believe).
Looks like Mick introduced a new preamp - higher end than the Syrah/Chardonnay. It's called the Cortese.

Check out the Supratek Website to see pictures:

http://www.cantech.net.au/~supra/preamps.html
I do not have a vinyl setup, so it's a line stage for me. Well, the Cortese is priced out of my humble budget. I can only guess what's the difference between the Chardonny and the Cortese line stage, perhaps better power supply?