This years Micro-Bipe is using the RFFS 100 unit from Slowfly.com,

11" span made from wallpaper lining foam
KP00 geared             1 X 145 Ma/h Li-poly
2 X Magnetic actuators

All up weight 18G

ROG's and climbs at 45 degrees--throttle back and flies for 15 mins  just needs some paint

Detail showing the RFFS 100 and Bob Selman
actuators mounted remote from control surfaces