Sonic Frontiers 2 with Wilson WP6.

I am considering replacing my BAT VK-60 with something else to drive my watt puppy 6's. Although I love the sound, my BAT has taken to being somewhat of a problem child lately. I've recently sent both the left and right channels back and yet it continues to blow fuses for no good reason. Having said that, the service at BAT has been wonderful. Very fast and always easy to get ahold of someone.

The Sonic frontiers seems like a good choice for several reasons, namely it has a bit more power and more importantly an unusually low output imedance (0.3 ohms at 1kHz) for a tube amp. This would seem to be a good thing with the WP's since they dip into the mid 2's at certain frequencies. The SF also seems to be a great value for the $$$. Does any one have any experience with the SF with or without WP's?

By the way, I just grabbed my McCormakc DNA 0.5 and I must say it sounds damm nice! What a sweet little amp.