America produces some magnificent beer. Luckily, it is getting easier to purchase a decent range of International beers over here with each passing year. Feeling the IPA love, and a particular favourite is:
The Goose Island range is very solid for a widely distributed range. This is especially good:
Surprised at the love of Guinness in the States. I know it will sound cliched, but if you boys like it over there you'd savour a decent pint on this side of the Atlantic. It doesn't travel well at all in my experience.
That said, if Irish stout is your thing, pick this up if you ever see it for sale:
This is also a very good review resource for those of you interested in giving new stuff a whirl:
http://beeradvocate.com/
Beer is a very personal thing. Loads of people are not going to develop a taste for porters / ales or anything outside of lagers. And that is fair enough. That said, I think a lot of people never try things off the beaten track. It's easier these days to get variety beers than ever before. Any lad who likes his few drinks owes himself some tasting at the very least.