Blu-Ray, having won, the DVD wars, will likely become more expensive as the competition from HD DVD is removed. 

One effect of having two competing technologies was that competition kept the pricing of both down but, with one removed from the equation, there are already signs that Blu-Ray players are becoming more expensive.
A couple of analyst groups have reported that Blu-Ray prices rose about 5% in February.
Toshiba pulled its HD DVD format out of the race in mid-February, leaving the field to Blu-Ray.
Just prior to this, both camps had cut their prices radically in a bid to buy market share.