Topic: Comparing Spotlight Enterprise vs SQL Monitor

Colleagues, kind time of days!
Impart experience that it is better for monitoring of servers SQL, there are two candidates:
1. Spotlight Enterprise 12 from Quest
2. SQL Monitor from RedGate
Criteria of an estimation:
1. Usage of resources of the server (CPU, IO, WAITS, Network, tempdb)
2. Efficiency of data acquisition of monitoring
3. Depth of storage of the historical data
4. Convenience of the interface
5. Speed of investigation of incidents