You probably have the "automatic login" option selected but somehow have the wrong login information saved in your cookie. You can probably fix that by clearing cookies for this site, or by logging in properly and then going to your profile and turning off auto-login.
Discounts should show on the product page when viewing them... the full price will show above and the discounted below.
I'll try clicking on the forgot password link and see if it works for me. I'm not sure what would cause that. Possibly that is related to the same auto-login with bad login details issue. I'll try reproducing it and see if I can reproduce that way.