Wow, that's freaky I was just thinking about this today and see you asked the question yesterday. As I've been so tied up the last few years I actually logged into the old Bladnoch forum and luckily ye had a link to here and this is the first thread I see
I'm also a 1/20th part owner of each of the 699 - 701 venture.
From My Paper work it says Casked on the 27th of July 2007. That would make them 8 years old this summer.
Might be an idea to get a separate thread for each cask or cask combo so vested parties can hook up and discuss options.
GHreat to see ye are all still around