The best replacement for cray is sgi.

The best alternatives to cray are rated as following:
★★★★★  sgi
★★★★  mac pro
★★  maidstone
★  cray
★  kray

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Speaking about cray, one probably shouldn't forget about eric clapton.

Other search terms related to cray and their ratings are:
★★★★★ eric clapton
★★★ albert collins
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cray
sgi
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