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You can stick with the red imp after it's properly honed then. Other than the thick grind it should be a fine shaver (the weight and ergonomics are what a 'standard' razor is but there is no flex...

The torrey is closest to standard razor 5/8 full hollow, although yours has fairly stiff grind. The imp is definitely wedge ground and the duck is a bit narrow (it looks like it were honed too much...