I have an RCBS hand-held with no feed method (& a pitiful flipping method) and a Forster Co-Ax with the linear primer feed 'tubes'. Setting up the Forster for different case heads is a PITA for me and loading the feed tubes took a lot of time. I don't use it any more. The RCBS may not be ideal, but it does a good job. I've looked at other tools to do this job, like the Holland modified bench mount RCBS tool (leading contender if I do change), but I'm finding it hard to justify the expense when the hand held works well enough.
I'm curious if the similar design tools are as fiddly to R&R the primer seater as the RCBS seaters are.