Upgrade 5.0 to 5.1

[Guy Van Sanden]

How would I best upgrade my 5.0 installation to 5.1?

I have done binary (CD-ROM) updates on 4.x in the past, but I was
thinking this could be done using cvsup.

Can anyone briefly say wheter this procedure would be right:
- change default release=cvs tag=RELENG_5_0 to RELENG_5_1
- cvsup the new sources
- follow instructions to buildworld+installworld in Chapter 21 of the
handbook.

Any ideas how long this would take ?

Thanks in advance

Guy