Sorry folks, I don't have the time to read all the previous 446 pages

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OK - Seriously thinking about upgrading from D7100 to D750.
Thing that attracts me most (apart from FF) is the flip screen, as living in the New Forest, I have a complete fear of lying on the ground because of Ticks and spiders (or any other creepy crawly - yes, I'm a big girls blouse!!!) but I really want to get butterflies, fungi and other stuff that involves getting horizontal....
I've had a try of one at
LCE and trotted round Southampton city centre and have been very happy with how it feels in my hand and how it's performed - especially the IQ. I've got small girly hands that the D7100 fits into perfectly, and have struggled with something larger such as the D800 - it's way too big and it's difficult to reach back button focus whilst depressing the shutter release button.
I appreciate the files will be bigger (hence even more storage) and the lenses will be more expensive, but apart from this, is there anything that's made you wish you'd gone for a D800/810 or some other Nikon camera?
Any input or experiences shared would be very much appreciated, as I'm planning to buy at the end of the year
Thanks!