any thoughts on e-readers? any of them, not just kindle

[severous01]

i have an app on my phone that allows me to read just about any e-reader file, e-pubs or what not and it's called akido or something like that. i also have the kindle app on my evo-4g. i've been doing some research on pricing and it seems like the prices are similar in books/e-books. so, my question is. with the apps on the phone, and apps for a computer, is it worth it to start buying e-books now and read them on my phone and puter....and possibly a kindle or similar later.

i am not willing to spend the 150 bux on a reader if the prices of e-books are only about $.50 cheaper than a book. i'll have to buy 300 books to save that money back and i just dont read that much. plus, i almost never go back and read a book again....other than R. A. Salvatore's books...but it's not worth holding onto a book, but if i had a file i could save it wherever i wanted to. on my computer, phone, sd card, shared storage drive...wherever.

so, is it worth buying an e-book to read on a computer/phone or should i just stick with the old paper-backs???