clippedgull
Hotdogs, extra onions
Windows 7 is a very polished operating system, it is fast and well featured, plus any software you can get on a mac, you'll either find the same software, similar software or better software on a PC.
In terms of aesthetics macs win hands down, and if your looking for a fashion item then a mac's your only choice.
However, you said you want it for photography in which case you'll want a good screen, and depending on your opinions on software piracy some editting software that doesn't come cheap.
You could spend £1500 on a mac, or you could spend £700-800 on the same spec hardware, and put your savings into buying a really great high resolution monitor, and some software like photoshop.
My Imac came with a 27 inch LED back lit screen with a resolution of 2560-by-1440 for £1399. 3.06mhz core 2 and 4gb ram
Plus I can run any Windows programme from Boot Camp
I wouldn't recommend Macs for Gamers, but for anything else I wouldn't hesitate. Up until I bought this machine I was a 100% windows freak!