I am a QA manager in the process of interviewing consultants for a number of positions I have open. I am surprised at the number of folks I am seeing who claim to have experience with multiple load testing tools as well as things like QTP and WinRunner. Frankly, I am skeptical. So my question, for those of you who have been load testing for a number of years: Is this the kind of skill you can pick up without formal training? How long did it take you to develop finess with your particular load testing application. Do you have any advice for me for sorting out the good from the over-inflated?