Europe's on sale, the dollar's on a tear. But….

The price may be a steep one to pay on both sides of the Atlantic

All of Europe is on sale—20% off and only getting cheaper as the Euro plunges to 20 year lows and the dollar soars. On the one hand that's good news. That summer vacation on the continent hasn't been cheaper in 20 years, same for that Ferrari you've had your eye on for decades, that Chanel handbag, those Ferragamo shoes.

The downside is far less attracti…