DivX Labs has a Java based freeware Beta RSS reader for Nokia S60, Sony Ericsson UIQ and Windows Mobile phones called Discover DivX Mobile RSS. It allows you to subscribe to DivX video as well as other RSS feeds.

Download Links-

S60 and UIQ- http://mobile.divx.com/ota/new/DivXRss.jad
WM 5 SP- http://mobile.divx.com/ota/sp/DivXRss.jad
WM 5 PPC- http://mobile.divx.com/ota/ppc/DivXRss.jad
Note: Windows Mobile devices require the free Java emulator from IBM