I hope this one works out. From what I have gathered from the experience of others, if you make it without a problem the first couple hundred hours our so with now problem, they will probably be trouble free for the long haul.
The Ygg is amazing. Heard it at CanJam here in SoCal last year, and will hear it again in a couple weeks.
I am receiving the Bimby Multibit next week and can hardly wait. I listen through 207s and a 323 amp.