Please put your pros and cons on ROBOTC and LejoS based on the following points below
1. easy to setup and use -- to my view it is ROBOTC
2. more functionality in terms of programming all possible sensors/motors etc
3. have stronger forum and documentation
4. have any UI based plugin
5. ease of debugging
6. reference book based on the conclusion from above
Any other suggestion you think is better than ROBOTC and lejos for advanced programming.