aTV Flash from Fire Core is a US$49.95 piece of software which when loaded onto a (compatible) USB flash drive key adds lots of features to your AppleTV such as
- More video formats (including DivX, Xvid, AVI, WMV, RMVB, DVD and some MKV)
- Enables internet apps like Safari, FTP, SFTP, SSH, SMB and streaming from NAS devices
- Enables external USB hard drives
- Enables USB keyboard support
- Allows installation of other Mac OS X applications (like EyeTV for example)