NsPro v5.5.1 released:

World's First: Added S3100 support.
Added S5230, S5230W, S5233, S5233A, S5233S Fast Direct Unlock.
Added A256 support.
Improved i200, C6620, C6625 unlocking protocol.
Fixed i8910 small unlocking bug.

New version is available on nspro website: www.nsteam.org/download.html
On NsPro support area
And on rapidshare: http://rapidshare.com/files/287261266/NsPro_v5.5.1.exe