Ok, well you brought it up:
1) Culture.
2) Cool accents.
3) History.
4) more culture.
5) Kings n stuff.
6) Fish n chips (that crap thats passed off in malls in the US simply aint right)
7) Decent non waxy chocolate.
8) Yet more culture (with some history thrown in)
9) Red Dwarf, Blackadder, Monty Python, Fawlty Towers, Bottom....
10) Rain (British rain has been around so long it's got a personality)
11) Cricket.
12) Giant Haystacks (he could kick The Rock's arse)
13) Jenga.
14) The Vincent Black Shadow (pah, Harley my arse)
15) Underground power/phone lines (all dem wires all over Texas spoils it)
16) Even more culture.
17) Intelligent people (I've seen US Weakest Link.....you guys is REALLY stoopid).
18) AND.....we DONT have Dan Quayle

19) Or Ricki Lake......or Jerry Springer.
20) And we've got France 26 miles away which means we can buy bottles of wine for 25p each....would you like to take France? Go on...please?