Sprint Nextel said that its post-merger integration efforts are ahead of prior expectations. The company increased the net present value of expected synergies from the merger to $14.5 billion. Sprint Nextel also announced plans to increase it wireless CAPEX as it accelerates the rollout of EVDO and EV-DO Revision A.The updated synergy estimate has a net present value of $14.5 billion, inclusive of taxes and approximately $1 billion in integration costs. Synergy components include:$1.6 billion in revenue and subscriber synergies driven by cross-selling...