Prime members can get $30 off the Kindle Paperwhite Signature in the Amazon Big Spring Sale
The Amazon Spring Sale will continue through Monday, and right now it's bringing a $30 discount to the company's upgraded e-reader, the Kindle Paperwhite Signature — but unlike most of the savings we're seeing this week, this Kindle deal is only for Prime members. The sale makes the E-Ink slab just $160 instead of its $190 list price. While we've seen it go lower, dropping to $125 for last July's Prime Day, this is still a rare chance to save on a device that doesn't go on sale often. Engadget's Nathan Ingraham called the…