I can not comment on the Forster because I have not used it. The Redding however is outstanding, it paired with a Forster Co-Ax press gives me very low runout numbers. Given the price difference I would say give the Forster a try, I have never been disappointed in any of their products.
"My greatest fear is that after my demise my wife will sell my guns for the price I told her I paid for them"
-don't know where it came from...but true