Co-Ax press and Forster BR dies since you`ll need their rings to use any other die in the Co-Ax except Hornadies dies.
http://www.forsterproducts.com/Pages/press.htm
Quick Measure
www.quick-measure.com/
This is the most amazing measure I`ve seen, let alone operated. I just bought one and am very impressed.
I still feel the beam type scales are the best bet for the money. I`ve a Pact and my old RCBS 10-10 gets 10Xs the use.
Stoney Point makes some simple bullet comparators that are a big aid in setting your COL
Try to stay with carbide dies for your straight walled pistol cases. Rcbs work as well as any for this but again with the Co-Ax you`ll need Forster lock rings for them.