I've never used either but i know if you purchase a decent chin-up rack combo you can at least get into decent shape.
http://www.total-trainer.com/Detail.bok?id=809Something like this, you can find one for $50 used i bet.
Then you can do chins, dips, it has pushup bars already, abs...etc.
Not sure if this is what you are looking for, but it will work fine for getting into shape.
Anything can work, it just depends on how much effort you put into your training and how strict your diet is.