eBags via eBay offers the eBags Hybrid Spinner 21" Lite Carry-On
in Purple, Green, or Orange for $89.99
with free shipping
. That's the lowest total price we could find by $25. It features an exterior zip pocket, TSA-recognized Travel Sentry locks, a recessed telescoping handle, and double wheel spinners. It measures 21.3" x 15.5" x 8.3".