I searched / waited for years for a Taiga to come up for sale and I refused to settle for anything less. Green is very much my favourite colour and for me the lighter metallic green of Taiga is just sublime, and also very 70's chic.
I agree Turkis is also a wonderful colour (so your dilemma is understandable) but somehow I think Taiga is a bit more iconic on a CSL.
The problem you might have would be if your heart's set on Taiga (and especially if has been for a long time) and then you go with Turkis you may regret it every time you see a Taiga E9.
Also if you plan to keep your car for the the long-term (or forever) then any comments about value lost due to paint change is not such a worry. (Also you are already losing some degree of originality by creating s CSL evocation car from a CSI).
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