I just installed Native Instruments Komplete, but am running into CPU spikes when I use more than 3 or 4 instruments at once.
I have 20GB RAM, with 10 GB Free
iMac 3.4GhZ i7 (OSX 10.7)
Running at 250 sample buffer (5ms)
No other apps open
Running system on a 250 GB SSD with 80GB Free