I am with SethL for this one.
In addition, in all but the lowest level of receivers, you also get auto room correction capabilities. I consider this a pretty important feature. Unless someone has a dedicated room wit acoustic treatments, IMHO, room correction capabilities are a big help.
To the Op, even if you need BD capabilities, you can still create a 2 ch system with an integrated amp. You will need a player with analog outs, and have the player always downmix the sound to 2 ch. analog.
But if you want to enjoy multichannel sound, a receiver or pre-pro+dedicated amp setup, is the only way possible.
In my personal opinion, you are getting better bang for buck with a Stereo Receiver than an integrated amp. For example, with the Marantz SR4023 (refurb) you get the following $299 at Accessories4less;