Both are fine and both are in common use in both AmE and BrE.

The subjunctive is merely the name for some structures that were used much more in older forms of English. There is nothing magical about them. Most have long since been replaced by other forms which say the same thing. A few remain, "If S were"

kitkattail, Fowler is not a great source to be checking re the state of present day English. -------------------------- http://www.theatlantic.com/issues/97mar/ha...ern/nunberg.htm Take Modern English Usage, by that good man H. W.