If the Impulse name sounds familiar but you just can't put your finger on it, allow us to break out the iron and get the confusion straightened out. Two weeks ago we reported that a rumored device called the Samsung Impulse 4G might be on its way to guide AT&T into its new era as a LTE powerhouse. Turns out it was partially true: this morning, the carrier announced the Huawei Impulse 4G, which in reality is a rebranded Ideos X5 that will act as an affordable ($30 on two-year contract) HSPA+ device cooking up faux-G speeds at a max of 14.4Mbps. Unfortunately, th
