Hi Beebeeee,
you can try the woxter firmware, it supports epub with drm and has many more features than the hanvon firmware.
I have uploaded it here, because the original download is actually corrupt:
http://dl.dropbox.com/u/4909500/Firm...aV.2.5.3.2.rar
here is the original homepage, but the 2.6 download is corrupt at the moment.
http://www.woxter.com/es-es/products..._Black/support
(use google translation from spanish->english)
calvin