SSL FlexVerb
Do you really need another reverb for your DAW?
No, you don't.
But I have to admit that 15€ for this one is a really good offer. It just sounds amazing, and no matter what your taste about…

There is a couple of useful tools I use every day when I need quickly check my tuning and use a clear and fast metronome, both for my students or myself. Here you are.
http://bit.ly/TUNER
http://bit.ly/METRONOME_TdG