I have been contemplating this decision for a little bit since I've never amassed this much money to splurge on a pair of cans before (damn you head-fi!). Either way, I definitely like the way orthos sound and need a closed-back pair to suit all my listening needs for pretty much any type of...

As the title says, I need a few recommendations on some good quality portable speakers I can hook up to my MP3 or my computer. However, no bluetooth speakers please. I'm not sure where to start, but I'm looking hopefully to spend <$150 on a good one. Thanks for the help!