Staples: $15 off $15.01+ (or $10 off $10.01), free ship to store

Use coupon code: 25172. Also, $10 off $10.01+ use coupon code: 99279.

After finding this link on reddit, I picked up a Pilot G-2 Limited and a Mont Blanc refill for $0.98 + tax.

Other deals can be found on slickdeals.