Need Help! Blu-Ray Player Advice!

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Hey guys I'm looking for a decent Blu-Ray Player for no more the $80 I've looked on amazon and at Wal-Mart but, I don't really know what I'm looking for because I've never bought one before. Are there any specs or anything at all I should be looking for? Also I'm just wanting to use the player to watch movies and I don't really care so much about the apps in them. I'd appreciate any advice thanks guys!