Blockbuster is finding it harder to compete online than they originally imagined. With Netflix ruling the roost, Blockbuster sought to make a name for themselves by having a much lower monthly fee for their service. While they did have Netflix beat in some areas, such as extending it to their brick-and-mortar stores, it doesn't seem to be getting the critical mass they want. As such, they are raising the price on the services they offer, by around $2 a month. The cost of other services too, such as their "premium" rental plan, will get price hikes - up to $35 a month for that one, a $10 increase. A bit of a slap in the face if you happened to already be paying $25 a month for it.
At the same time, they lowered the cost of some other services, probably in attempt to reduce potential customer losses. Overall, however, this is probably a negative move, at least for the online portion of their business.