To give you an idea of the project quality and abilities, some performance measurements were taken. All the tests were done with the the TaskSpeed suite, you find the exact version used along with all tests for RightJS here http://github.com/MadRabbit/taskspeed.
Hardware: MacBook 2GHz Intel Core 2 Duo, 4 GB 1067 MHz DDR3, Mac OS X 10.6.6
The following browsers were used
If you feel uncomfortable with these test results, there is another test available that was done with a different testing utility.