Currently, NewEgg has this
ASUS USB 2.0 White External Slim CD / DVD Re-Writer Model SDRW-08D2S-U (probably USB2) $34.99 - $15 (promo code: EMCBCBC29, ends by 12/18) - $10
Rebate + Free S/H = $9.99. I don't know what you can do with this, but perhaps you can use it to install debian OS on a Pogoplug through any of its USB ports (I reckon you can do the same with a USB memory by means of Bodhi's uboot)? Anyway, I have a need to use this to install a 32-bit Win10 (DVD) on some old 32-bit computers that don't support boot through a USB port. So, if you have a need for an external CD/DVD writer, grab it before the offer is gone.
BTW, the
Rebate form also has more items if you are interested.