Excerpt: It's really uncomfortable to hold the battery grip. It's bulky and doesn't fit to your hand like the grip built into your camera because Canon has to be able to fit two batteries in it. I bought it last week, and I'm going to return it soon.
Excerpt: I picked the BG-E7 thinking it would be good for shooting sports. Well, I'm not exactly thrilled with it. The grip is freaking huge. Now I don't have huge hands, but they are what I would consider average for a typical white male. This grip makes them look tiny.