In earlier posts we've discussed the advantages of geo-targeting Canada.
Now, with the US dollar trading at an all-time low against the Euro, it may be prudent for marketers in some spaces to be targeting Europe.
US exports have been rising significantly in recent weeks. Travelers from Europe are looking at Florida and other US destinations.
If you aren't already international, and have the product or service that fits, right now is simply one of the best times in recent history. There are many tools available (most for free) to get you started.
Keep an eye on the ROI. Do it on the Internet.