My mystery no-name wine yeast is my favourite. I have no idea what it is but it chews through everything and anything, has overcome preservatives and extremely low pH's and actively ferments in the fridge. This stuff is crazy!
OT: You should read up CvilleKevins sticky at the top of the forum titled 'Results from juice, yeast and sugar experiments'.
Primary: Cherry Melomel
Bottled: JAOM, Amber Ale