As a long term user of an A5 Filofax (this is my 20th year in fact) I have contemplated changing back to Personal size several times in the last few years, having started in Personal size back in late 1986 (yes nearly 40 years ago!) I've also been using the same Enhanced Time Management A5 insert since late 2011, so why change you might ask. As well as a large collection of A5