The best replacement for 24-70mm is 24-105mm.

The best alternatives to 24-70mm are rated as following:
★★★★★  24-105mm
★★★★  70-200mm
★★★  28-70mm
★★★  17-55mm
★★  24-120mm nikon
★★  24-70mm ii
★★  16-35mm
★  18-55mm
★  28-70mm nikon
★  canon 24-70mm
★  28-75mm
★  24-105mm canon
★  nikon 24-70mm
  17-55mm canon
  tamron 24-70mm
  tamron 28-75mm
  17-55mm nikon
  canon 28-70mm
  16-35mm nikon
  canon 24-105mm

Your alternative for 24-70mm is not listed? Suggest!
Speaking about 24-70mm, one probably shouldn't forget about d800.

Other search terms related to 24-70mm and their ratings are:
★★★★★ d800
★★★ 7d
You have in mind a companion for 24-70mm and it is not yet here? Propose!



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24-70mm
24-105mm
70-200mm