The BeagleBone Black is $49.99[1] and has very similar specs.
You can interface with its hardware using JS, and it already ships with the web-based Cloud9 IDE.[2] The main differences are:
* BBB has 4GiB on-board storage vs Chirimen's 1GiB
* BBB has 512MiB RAM vs Chirimen's 1GiB
* BBB has no analog audio in/out, but
Chirimen has no on-board networking
* You can buy a BeagleBone board right now.
If you want to trade off the micro HDMI port for two additional 4-pin peripheral connectors (Grove[3]) and trade the 5V power adapter requirement for the ability to power the board with microUSB, then there's the BeagleBoard Green for $38.99.[4]
1. http://www.mcmelectronics.com/product/83-16241
2. https://www.youtube.com/watch?v=PA7E7b5mWh4
3. http://www.seeedstudio.com/wiki/Grove_System
4. http://www.mcmelectronics.com/product/83-17001