Reportedly Wisconsin has secured another defenseman for 07. While Wisconsin has commitments from Nigel Williams and Garret Suter for this year, and are also seeking Brendan Smith from St.Mikes for 07, this commitment is from Ryan McDonagh, from Cretin-Denham Hall in Minnesota. He was a member of the USA Under 17 team that played overseas in August, and was supposedly headed for either St.Cloud or Michgan Tech. I'll try and follow up on this rumor for confirmation.
Update: Today's Wisconsin State Journal confirms that McDonagh did commit to Wisconsin, and that his commitment is for the 08 season, rather than after his graduation in 07.