It's still early but the first week of October is in the bag (roughly 25% done.)
http://www.findcalgary.ca/page_content-19.html#stats
October so far/September 2010
SFH Average Price: 440 / 460 (It would be 410ish without a $5.3 million whopper

)
SFH Median Price: 362 / 390
30 day Rolling Median Price: 383
Sales will probably be close to last month, maybe a little lower - still on track to be 30-40% down from last year. Inventory is going back up after the large expiration of month end listings.
Things still trending downwards it looks like, still 75%ish of the month left though.