20% off which is better than what Dell currently have on their site (15%)
i5 Link
Processor
6th Generation Intel Core i5-6200U (3M Cache, up to 2.8 GHz)
Operating System
Windows 10 Home 64bit English
Memory
8GB LPDDR3 1866MHz
Hard Drive
256GB PCIe Solid State Drive
Video Card
Intel(R) HD Graphics 520
Display
13.3 inch FHD AG (1920 x 1080) InfinityEdge display, Silver
i7 Link
Processor
6th Generation Intel Core i7-6560U (4M Cache, up to 3.2 GHz)
Operating System
Windows 10 Home 64bit English
Memory
8GB LPDDR3 1866MHz
Hard Drive
256GB PCIe Solid State Drive
Video Card
Intel® Iris™ Graphics 540
Display
13.3 inch FHD AG (1920 x 1080) InfinityEdge display, Silver
Great deal on the i7 - it's an additional $200 discount (before the 20%) to bring it down to that price. The i7 is usually ~$300 more than the i5.
Also, for what it's worth, you'll get the i7 around 1 week sooner as it ships from Sydney whereas the i5 ships from Malaysia.