>"...Unless you are drinking Budwieser, then you can pour that straight into the sink...."The REAL stuff, from Budwiess/Budovic (apologies for the spelling) is drinkable (if you like lager), it's the Anhauser-Busch muck that gives it a bad name.
To return to the original question, Nottingham Ale is simply ale brewed in the Nottingham region. In the days before brewers spread nationwide and brews became "standardised" the beer of each region (or indeed town or even inn) would be slightly different from its neighbours, family or company recipies would be carefully guarded secrets, in short, imagine an England where almost every drinking establishment was a brewpub.
Good Luck
Walrus