Stay away, far away from AMD's E CPU series the CPU is extremely weak. Even a Core i3 clocked at the same speed (1.4GHz) would be significantly more powerful.
Based on the performance of similarly spec'ed graphic cores, the integrated Intel HD 4000 will blow the Radeon HD 7310 out of the water. The Radeon HD 7310 is roughly no better than the Intel HD 2000 graphic core found only in the previous generation Sandy Bridge desktop CPUs.
You can try using a Staples $75 off any laptop coupon to get it down to $265. Office Depot normally takes Staples coupons. But supposedly OD HQ has told stores not to honor this particular coupon. Still, you might get lucky.