Well, not used it in anger yet as i'm still messing with the build, final steps etc. But it's a serious bit of kit, well made and looks like its exactly the right thing for the job, I have no doubts it will work fine once i get the first job on.
I think i posted many posts back about a little job i do batches of - round shafts with a square peg milled on the end and i asked about the CAM for it, I was using a 5C collet block and making four cuts, rotating 90deg each previously, someone mentioned standing the 5C block upright and working round it, but yesterday i realised what i really need is a pair of custom vise jaws with a half-round slot in each one - this would give me very accurate position and grip.
This will be one of the first jobs, plain mild steel will work as they will likely only be used for this job. Then I can just run round the tip with a 12mm ball-nosed cutter and speed would be greatly increased over the manual task.