The Raspberry Pi has introduced a veritable Tsunami of Linux powered ARM SBCs.
The latest of which is the Marsboard which is a very spunky name for an Allwinner A10 SOC powered device
with 1GB of RAM and a Mali Graphics core. Also very usefully it has a SATA interface and a large number of I/O
Brought out for our delight 
The board is available here
For more information a WIKI is available
Happy hunting!