Current GSM/EDGE data rates of 300kbit/s cannot compete with the 14.4Mbit/s of HSPA, but mobile operators are motivated by more than 4 billion subscribers worldwide to consider investing in higher data rates for the world’s GSM networks. As EDGE Evolution – a set of enhancements specified by 3GPP for GSM/EDGE networks – approaches commercial readiness, we examine the benefits this technology upgrade offers and evaluate its potential role in mobile operators’ networks.