It's good that CASP8 will release an "official" automatic evaluation. There are
serveral reasons that the server section should play a more important role
than the human section this time (or at least should be paid more attention
to than previous CASPs). First, there are more registered server groups than
the human groups for the first time in CASP8 (121 vs. 112); second, there
are more server targets than the human ones this time; third, to some extent,
the results of automated server predictions reflect more objectively the
advance of the algorithms than the human-intervened results; fourth, maybe
most importantly, only the advancement of the automated predictions (rather
than the human-expert predictions) could be exploited by the biology community
(through on-line servers or software release), which has been THE goal of the
CASP experiments.
Someone may add more reasons to the list.