How do I find a speaker dock for my e260?

A friend of mine loaded an e260 with music while I was in the hospital for two years.  Now that I’m out, it’s impossible to find a speaker dock for it.  Is everything in the entire world geared toward Apple & its I-world?  I would love an Altec Lansing IM413, but now they are obsolete & difficult to find.  I’ve Googled them, checked Amazon & eBay.  Am I missing something?  Is there a speaker dock with good sound for the Sansa?  Is there somewhere to find an IM413 that I don’t know about?  I REALLY don’t want to get an I-Pod; Sansa’s sound quality is infinitely better.  Please help!