Hi,
Thanks for your input.
I have contemplated the i5 rather that the i7 as it would indeed save me money.
Now, one of the main things I would be using my new computer for is photo editing (with Adobe photoshop & lightroom). I'm a bit of a photography enthusiast and shoot mainly RAW files. I have googled all the info I could about i5 or i7 with regards to photo editing and the consensus does seem to be that whilst the i7 is marginally better for this purpose there is a certain amount of future proofing for future software with this CPU.
So. as I want this computer to last a good few years i thought that the i7 would be the better option. Also, I'm at present taking an online Uni course which will require me to process a lot of data.
Oh, and I'm also thinking of delaying my purchase so to have more money for a SSD
Cheers!