The top foods according to the yearly study (this is the 18th year), the top grilled foods are:
1. hamburgers - 64%
2. steak - 46%
3. chicken - 40%
4. hot dogs - 34%
5. ribs - 14%
See the Weber report for more interesting grilling trends.
If you want to make some really great burgers, then here's my best burger recipe with tips.