case trimmers?

[Mr. 16 gauge]

Looking for some input into case trimmers.....currently, I use the LEE system of case length gauge and shell holder, attached to a cutter and lock stud. This system has worked well for me, but I am considering loading a couple of calibers (.25 ACP & .30 Luger, specifically) that they don't make the case length gauge and shell holder for.
So what is everybody using? I am looking for something at is somewhat inexpensive and easy to use (being able to change between the two calibers fairly easily is a big plus)...

Thanks in advance.....