If it's got the 6 spec in the 5's body then I don't really care about any of the marketing stuff that, as you say, they'll heavily promote on stage, but you won't actually notice when the device is in your hands. To be honest if the battery lasts 8 or 9 hours and it has a faster processor than...
Looking forwards to the SE. My iPhone 5 is close to death now (battery maybe lasts an hour under active load) and I've held off on the iPhone 6/6 Plus form factor as it's just too big for me. Hopefully the SE is what I want (which rumours suggest it will be), otherwise I'm not sure what I'm...