For the best in mobile e-mail, you might want to check out Peek, which is an email-only device that will cost you just $99 and a small monthly fee for network connections.
Peek simply looks like a stripped version of a Blackberry but we like this new device which will only do E-mail, simplifying the costs associated with getting a real Blackberry.
Now for fractions of what you spend on your cellphone/PDA, you can have on-the-go real-time E-mail device that will not fail you.
Peek is a super thin and stylish device that lets you take your email with you and stay connected. With Peek service you get unlimited email for a flat, low monthly rate. Totally easy.