Which Crosscut mitre saw

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I will be replacing my old 6by8 shed ( bodged up by me a number of years ago) with a new large 12 by 20 shed. To speed up the process of making this I am looking to purchase a crosscut mitre saw. The Dewalt DW777 looks good and I can get it for about £280 on amazon. Is this a decent saw for the price? Anyone any other recommendations?

NB: I have always done my own DIY , used tools and power tools but never anything to cabinet makers level so am a newbish !