- The Reverse Wine Snob - Reviews of many Costco wines, with prices paid. For example, check out the recent Costco Week series!
- Wine Spectator Forums Costco Wine Alerts Thread.
- Westbury Liquors Costco Online listing of wines and prices! Because membership can't be required in some states in order to buy from liquor stores and Westbury is run as a separate store at the Costco location they seem to be able to put their wine pricing online, unlike most other Costco locations.
More to come! Have other resources? Leave a comment!