Catalog Blu-ray disc titles will wholesale for $17.95, about the same as DVDs when that format hit the market in 1997. New-release Blu-ray discs will wholesale for $23.45, a premium of 15%-20% over what suppliers were charging for new theatrical DVDs.
Keep in mind these are wholesale prices. It's what places like Best Buy pay for them. Actual retail prices are going to be higher.
Personally, I'm going to hold onto my DVD player, at least until Blu-ray titles come down in price.