Tom Dulski, no reason you can't get started in 15 mm (Too old? I'm 68 and not too small for me). I've also thought gaming WWII in anything larger than 15 mm a bit odd. Just severely restricts the table action.
Of course, I have other issues with gaming the period with a big one being it takes far too long to play what turns out to be a few seconds - maybe, only maybe, a few minutes - of 'actual' combat time. I'll be generous and say 5 minutes in a turn that takes 20 minutes to play out so to play 30 minutes of battle time would take two actual hours; that just doesn't translate to fun for me. To each their own of course.
Very tempting figures however.