After the UMN win, the PWR looks like this:
1 Michigan (CCHA)
2 New Hampshire (HEA)
3 North Dakota (WCHA)
4 CO College (WCHA)
5 Miami (CCHA)
6 Denver U (WCHA)
7 Clarkson (ECAC)
8 Mich State (CCHA)
9 Boston Coll (HEA)
10 St Cloud (WCHA)
11 MSU-Mankato (WCHA)
12 Minnesota (WCHA)
13 Wisconsin (WCHA)
14 Minn-Duluth (WCHA)
15 Bemidji State (CHA)
16 Army (AHA)
Which would make for these regionals:
Worchester:
UNH
Clarkson
SCSU
BSU
Madison:
Mich
MSU
BC
UW
Albany:
UND
DU
Mankato
Army
Springs:
CC
Miami
UMN
UMD
Even with 8 WCHA teams in, still only 2 first round matchups with CC/UMD and DU/Mankato.