Australian cell carrier Telstra this morning said it was on track to be one of the first providers in the world to use Enhanced HSPA, or eHSPA. Also known as HSPA+, the feature will give peak Internet download speeds of about 21Mbps per second, or about three times the best 7.2Mbps speed on regular HSPA devices. The move is made possible in part by having a new Ethernet-based network backbone an