First of all I would like to start out by saying that if this question has already been answers before I'm sorry for reposting it. The thread that Madcow2 made is great and I have read a lot of it but it's huge it would take me all day to re read it. Well the question that I have is I train alone, which mean I don't have a spotter. I don't really feel safe using big weight without one. I don't want to use machines can I sub flat DB Presses of the equivilant weight instead. What is everyones thoughts