Undeadly reports that the ports tree for OpenBSD 4.8 has now been locked:
http://undeadly.org/cgi?action=artic...20100802164634
For example, one of the difficult questions which seems to come up every release cycle is what version/patch level of Python will be used as the default for OpenBSD. With 4.8, Python 2.6 will now be the default version installed from packages/ports:
http://marc.info/?t=127670429400001&r=1&w=2