No, it's just the internal drive and nothing else.
The indexing has finished some 15 minutes later but it comes up every now and then during startup, which is unlike anything I've seen in Snow Leopard.
Only makes me wonder, whether upgrading to the GM was a good idea, since it is clearly not ready for prime time (FCP X... go figure). But since Apple is apparently ready to ship the GM with it's new lineup we'll have to wait for an update.