Replacement for SMT5600 wired headset?

[Citezein]

I'm looking for a replacement to the stock headset for my Audiovox SMT5600. Ideally, the replacement would sound better, fit better, and have a retractable cord. Has anyone seen anything like this? If nothing exists in a 2.5mm jack, I'd be willing to accept a 3.5mm version and use a converter. I find myself listening to lots of audiobooks and music on my phone now.

If one of these doesn't exist with a microphone, are there some that work well without a microphone that also meet the above requirements?

Thanks

[Vuvision]

SPVAA - Audio/headset adapter (http://www.pc-mobile.net/spvaa.htm) ~ $26.50
http://www.pc-mobile.net/pxdaa.jpg


Seidio 2 in 1 Retractable Earbuds Headset (http://www.seidioonline.com/ProductDetails.asp?ProductCode=HERSOVSP3%2DSL) ~ $34.95
http://www.seidioonline.com/photos/HERSOVSP3-SL-2.jpg


Seidio 2 in 1 Retractable Adapter Headset (http://www.seidioonline.com/ProductDetails.asp?ProductCode=HARSOVSP3%2DSL) ~ $34.95
http://www.seidioonline.com/photos/HARSOV-2.jpg

For a few more squids, I kinda like the Seidio design above.