Pros
- Complete system backups via Nandroid
- Apps2SD freeing up valuable system memory and improving performance via cache2SD (all automated)
- Better kernels with better power management, overclocking and undervolting
- More features, better ROMs than stock
- Even more customisation
- Cool factor
- Huge support community
Cons
- Warranty void

- Complete system backups via Nandroid
- Apps2SD freeing up valuable system memory and improving performance via cache2SD (all automated)
- Better kernels with better power management, overclocking and undervolting
- More features, better ROMs than stock
- Even more customisation
- Cool factor
- Huge support community
Cons

- Warranty void