A couple of topics to consider

[daveduke007]

(katoeylover @ Jan. 15 2007,09:03) One meaningfull NFL game per season would be great for the european fans of the NFL, but any more and i reckon they would have trouble filling a staium such as Old Trafford (72000) or Emirates @ 60000.  

I for one would definitely go, especially if the steelers were playing.  

As for the Beckhams, good for them, if someone is prepared to pay that sort of money than why not take it.

Old Trafford is actually 76000

[allstar88]

miami to play at wembley,london in the autumn

[Tomcat]

Like learning a language, sport seems to be ingrained early and if you dont learn it while your young its hard work trying the conversion later. Its probably easier to convert someone under 21 , in general.

USA
As the Hispanic pop grows i suppose it will become lots more popular but perhaps 10 years time.