Thanks for the offer mgmueller!
I am going with the ectaco lite for now (about all I can afford
on the ectaco site they say
"Adjustable Typeface and Size
jetBook Lite features a choice of 6 different font sizes and several popular typefaces so that you can customize your reading experience. Even those who have difficulty reading a conventional book will find it easy and enjoyable to read with jetBook Lite."
but no sizes mentioned BUT watching the embedded video they list 12 16 18 20 24 32 as the font size choices on the pop up window....
I think the pictures of font sizes would be most useful to those with lower vision!
this is about the only area where the manufacturers in general (one has a video JUST about its font sizes) have let me (as a prospective buyer with poor vision) down