Doesn't look like a keeper. It's taken days to fully index and is taking a boat load of disk space to do so:
(and you have to su root to see this much info.. it's not exposed via the gui that I've seen.)
drw------- 13 root wheel 442B Apr 7 17:47 .drwxr-xr-x 3 root wheel 102B Apr 4 07:27 ..-rw-rw--w- 1 root wheel 329B Apr 7 12:35 Volinfo.plist-rw-r----- 1 root wheel 40K Apr 7 16:59 indexr1_btesmam-rw-r----- 1 root wheel 28B Apr 7 16:59 indexr1_btesmao-rw-r----- 1 root wheel 477M Apr 7 17:22 indexr1_db-rw-r----- 1 root wheel 160K Apr 7 17:23 indexr1_db-journal-rw-r----- 1 root wheel 576M Apr 7 17:47 indexr1_fti-rw-r----- 1 root wheel 10M Apr 7 17:47 indexr1_fti-journal-rw-r----- 1 root wheel 32K Apr 7 12:35 indexr1_prop-rw-r----- 1 root wheel 512B Apr 7 12:35 indexr1_prop-journal-rw-r----- 1 root wheel 594M Apr 7 16:52 indexr1_repo-rw-r----- 1 root wheel 32K Apr 7 17:23 indexr1_repo-journal
(and you have to su root to see this much info.. it's not exposed via the gui that I've seen.)