The best replacement for gh2 is 60d.

The best alternatives to gh2 are rated as following:
★★★★★  60d
★★★★  7d
★★★★  gh3
★★★  5d
★★★  t3i
★★  g6
★★  gh1
★★  d7000
★★  5d mark ii
★  gf2
★  gh3 video
★  gh3 for video
★  a55
★  g5
★  gh4
★  omd
★  g2
★  nex 5n
★  hacked gh1
★  wait for gh3
★  af100
★  bmpcc
  gh13
  gx1
  canon 60d
  g3
  em5
  gf1
  gh2k
  panasonic g3
  nikon d7000
  gf3
  gm1

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Speaking about gh2, one probably shouldn't forget about atomos ninja.

Other search terms related to gh2 and their ratings are:
★★★★★ atomos ninja
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Google Trends

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gh2
60d
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