this is what i get paid to do. people give me the assets (the pictures, the music, the voice over) and i mix it together in sony vegas. don't laugh. its easy and it gets the job done quick. the question you should be asking is not, what tools are you using but what does the final product look like?
then ask, what is the cost of your operation? well, compared to the $3,000 apple editing suite, this looks mighty cheap. you can get a windows machine and a copy of sony vegas for under $500 if you know how to bargain shop.