MP-3000
The Platinum MP-3000 has ports for USB Key, SD, MMC Cards, and plays MP3 Format. Comes with 128mb USB Key supplied with Pre-loaded royality free messages
MOH Player
Very similar to the MP3000, it has an SD card slot and a USB slot. the MOH Player also has 8MB of onboard storage.
the MOH player comes with access to their own site to download various tracks to make your own customised greeting or have them record you a personalised greeting to your own script.