Display Improvements
4" Screen I'm perfectly happy with 3.5"
In-cell touch What?
44% greater color saturation I'm happy with the current screen colour, as are most people.
Full sRGB support Not sure what this is?
Higher brightness Current brightness is fine.
Less glare Glare doesn't affect me and I doubt it affects others.
Performance Improvements
2x CPU iPhone 4 is fast enough
2x GPU Current graphics processor is good enough IMO
Better battery life I doubt it, let's see what happens in real life.
Enclosure Improvements
20% Lighter Who cares?
18% Thinner As above.
Increased durability How exactly?
Wireless Improvements
LTE Good improvement but not worth £529
DC-HSDPA Unsure what this is.
Dual band 802.11n As above.
Camera/Video Improvements
Sapphire Crystal (more durable) Don't understand this.
40% faster capture speed Current camera is fine.
Better low-light performance How much better?
Improved noise-reduction
720p HD Facetime camera Current camera is fine.
Improved video stabilization Hmmm.
Still photos while recording video Pointless feature.
A6 post processing of photos Won't change much.
Audio Improvements
Better Earphones Nothing to do with iPhone 5 itself.
Three microphones What does this improve?
5 magnet speakers Unsure what this improves?
2-way noice cancelling earpiece As above.
Wideband/HD Audio HD audio? How does that work?
Connectivity Improvements
80% smaller dock connector Nothing wrong with the current dock.
Reversible dock connector What does this improve?
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All the above really shows me is that a lot of the new features are very minimal and hardly improve anything of any real significance. The only feature I actually think is a good improvement is the LTE.
The iPhone 5 is obviously the "best iPhone ever". But is it really worth the money for a lot of people? Certainly not for me.
I'm sticking with my iPhone 4 and until something really game changing comes out I'll be very happy with what I've got.
lol you have the worst logic with your reason...."current is fine....."