eBay ~$50US --- High powered 10cm X 3.5cm X 1.3cm, 38grams, uses 5V, 1GB RAM, 8-32GB Flash, multi core processor, HDMI, USB, WiFi, Android 4.X OS, dual output video, dual input camera ..... Should this be hacked, recomissioned as a robot brain with installed myrobotlab to the max?http://tinyurl.com/a3cv7az
Nice Hardware
DancesWithRobots I believe has something similar which MRL will run on. Serial ports were a challenge in the past but maybe at this point with the later Anrdoid releases, this issue probably is solved.