My 7424 is on the way out after about 5 years of hard use, so I upgraded to a new 7424XP as a back up, however, I did have the chance to try it out. I like the slightly different handle, and I really like the location of the new switch. I find it to be almost as quiet/loud as it's predisessor, and appears to have a bit more power than the 7424. My personal feelings are; I would use the 7424 until it's life is just about done, and then I would spring for the XP. If my 7424 was not on it's way out, the reviews and desings would not have pursuaded me to spend the money for the XP. I just think it is a waste of money to buy something when my current machine still does what it is supposed to do.