Let's see:

$300 (reader) + $9.99 and up per title (e-book) - fragile - electronic - can't resell - can't borrow/loan = FAIL

versus

$0.00 (reader) + $4.50 and up per title (paperback) + works everywhere + won't break + can resell + can borrow/loan = WIN!

Not interested. Not even a little.