Have used dillons before, namely Gavin's beast, Julians 550 and Russells - all very nice.
From my research lots of pistol people use the Dillon system, so I Just brought a Dillon 550B from Serious Shooters in AKL.
I got quotes from Reloader Supplies (Onehunga) and Serious we cheaper.
Only loaded a couple of hundred samples so far. Will do more once samples checked on range.
Good luck with whatever system you choose.