This is available for pickup at a store near you. Other good NERF deals below, some available for shipping which is free when you spend $59.
Here's a refill pack of 12 darts for the Hail-Fire on sale for $5: http://www.mygofer.com/nerf-174-n-strike-elite-refill-pack-12-darts/p-004W004909638001P
Pyragon Blaster for $21.50: http://www.mygofer.com/nerf-vortex-pyragon-blaster/p-004W003991591001P
Dart Tag Sharp Shop for $8: http://www.mygofer.com/nerf-174-dart-tag-sharp-shot/p-004W002996153002P
Swamp-Fire for $15: http://www.mygofer.com/hasbro-nerf-dart-tag-swarmfire/p-004W002957920001P