Lucky! Someday I'll buy myself one... But by that time, the guitars being made now will be vintage
Here's a good example of a shot that would have benefitted from HDRI:
Poe Paddy Run by nate.follmer, on Flickr
See how where the light beam hits the grass it's all washed out? If I would have been paying attention to my histogram, I would have saw that it was washed out and took another photo with a faster shutter speed to make it darker, then combine the two.