Jon, do you mean Natalie? She's all over the place. Check her schedule at http://www.nataliemacmaster.com for updates. According to the Tour Schedule, she isn't over to the UK or Europe between now and early March 2002.Watch there for updates. They do it regularly.
If you mean Alison Kraus, she isn't doing Europe or UK between now and February. Her web-site is http://www.alisonkrass.com
Fit as a Fiddle or No Boundaries are better recordings I think.