£1m would buy roughly around 600 S9's + cost of PSU's if price goes up to around $1600 way
Not anymore.
https://bitcointalk.org/index.php?topic=2613613.0https://shop.bitmain.com/productDetail.htm?pid=000201712191255054388vvfMz1v06F0You will get only 500 at current prices.
Seeing how much they go right now on ebay, the March batch will probably again go up. But that depends also on the btc price, not to forget that a 1% drop in the pound value will also cut 5 miners off the list....and so on.
And are you going to spend all the money on mining equipment?
You have the space, racks, air conditioning, money for at least 2 months rent ...all this stuff ready?