I like the way Zeus deals with their performance claims: you can test it, but you can not disclose the results. The same crap as Microsoft used to do. Although

I like the way Zeus deals with their performance claims: you can test it, but you can not disclose the results. The same crap as Microsoft used to do. Although I did sign up for a trial, I didn't bother going further after reading the EULA. Long story short: nginx is powering our servers right now, without any need for changing the platform.