She also has a few US shows in March:
March 17th-18th Floor Hilton Garden Inn- Austin TX (part of SXSW)
http://2007.sxsw.com/music/ (and type in Bic Runga when looking for
March 21st- Mercury Lounge-NYC.
http://www.ticketweb.com/ (and type in Bic Runga when looking for
March 27th- Troubadour- West Hollywood , California.
ETA: Oh, forgot to mention, don't forget in New Zealand the acoustic wineyard tour is still going, tickets from Ticketek - Friday 2 March, Black Barn, Napier; Sat 3 March, Alana Estate, Martinborough. There's heaps of info at bicrunga.com for things like buses and stuff, too.