If we're going to try and do this (I'm game, I'll fill mine up one of these days), I'd suggest two types.
(1) Private / light aircraft pilots - allowing breakdown into MEP/SEP/microlight/glider with limited space for night/IR, and perhaps space for recording passenger name(s), tailwheel hours, instructional hours, etc.
(2) Commercial / heavy aircraft pilots & FEs - showing PiC/dual/FE, piston/turboprop/jet, with separate columns for night/instrument totals and so-on.
Designed by committee on PPrune we might well end up with some much more user-friendly logbooks than have been seen to date.
Offering a starting point (this is designed to suit me) here's the label that gets stuck onto my CAP407 equivalent logbook. The top bit goes over the column headings top-right, the bottom bit goes over the summary box bottom-left. Without a doubt this will need modification, but it's a starting point:-
G