Yeah, about 41k for a base C5 (0 options)...add a few options and it wasn't hard to get one up to 45-46k, maybe even a little more.
A pretty much loaded SS (coupe, not 'vert) could be had for around 29-30k, WS.6 for 31-32k and a Firehawk for 33-35k...so maybe it's more like 12-17k, depending...