The best replacement for 5d mark ii is 7d.

The best alternatives to 5d mark ii are rated as following:
★★★★★  7d
★★★★★  d700
★★★★  6d
★★★  5d mark iii
★★★  nikon d700
★★  60d
★★  70d
★★  mark iii
★★  canon 7d
★★  d7000
★★  d600
★  1d mark iii
★  d7100
★  1ds mark iii
★  d800
★  7d video
★  7d for video
★  5d
★  canon 5d mark iii
★  d610
★  1d mark iv
★  50d
  canon 50d
  t4i
  nikon d7000
  canon 6d
  nikon d3x
  sony ex1
  nikon d800
  gh3
  7d canon
  sony a900
  1ds mark ii
  40d
  gh2
  d300s
  t1i

Your alternative for 5d mark ii is not listed? Suggest!
Speaking about 5d mark ii, one probably shouldn't forget about 50mm 1.8.

Other search terms related to 5d mark ii and their ratings are:
★★★★★ 50mm 1.8
★★★★ 50mm 1.4
★★★ atomos ninja
★ 24-70
★ 17 40
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5d mark ii
7d
d700