[jackdh]

Yes once the program is already open it's pretty snappy. But I like to keep my desktop clean so I close / open it fairly often and it's startup time if just not on par I've found.

[damieng]

The snapshot feature introduced recently makes a big difference to app start-up time.

[dflock]

RAM you're not using is a waste of money ;)

[dnsbty]

That's why I make sure to include memory leaks in every program I write :)