The Broaddwell MBP looks to be an excellent upgrade, especially for GPU performance.
- Maxwell NVIDA GPU offers 2 times more performance per watt than the Kepler Architecture which are for example the 650m & 750m card. (expected in March 2014)
https://forums.geforce.com/default/topic/548203/what-should-we-expect-from-maxwell-/?offset=18
- Thunderbolt 2 (expected end of 2013)
- Intel Broadwel 14nm CPU's which has lower TDP and power consumption over Haswell. (expected 2nd half of 2014)
- Maxwell NVIDA GPU offers 2 times more performance per watt than the Kepler Architecture which are for example the 650m & 750m card. (expected in March 2014)
https://forums.geforce.com/default/topic/548203/what-should-we-expect-from-maxwell-/?offset=18
- Thunderbolt 2 (expected end of 2013)
- Intel Broadwel 14nm CPU's which has lower TDP and power consumption over Haswell. (expected 2nd half of 2014)