Originally posted by sambavan
If you are planning to do any migration, then my suggestion would be to install the base, migrate and then apply the patchset on top of it.

Sam
I know Oracle recommends this, but have you had a problem with upgrading directly to 8.1.7.x? I've migrated several 8.1.5.1 dbs to 8.1.7.1 & 8.1.7.2 without problem.