Staying behind the cutting edge is less expensive and often offers more options than would otherwise be available. With the many conversion tools available at the MobileRead Wiki Conversion Page the whole world of classic books is available for no charge (thus cutting down on the expense of using your current device while you save for the next.)
I tried the change in a box/cup/basket/jar thing and found that my wife always got there to unload it about a week before I planned to. (Maybe I talk about it in my sleep.)
