Currently, I have tones of drop down with Yes/No value, which looks bad and makes my page look very long. People don't like to fill long form. Eg. I have form with 40+ feature for an apartment classified with 40+ dropdown. A multi-select or grouped checkbox if perfect for this.
I have spent time and created drop down options because I can't wait until developers think its a good idea. If or when they decide to come out with new custom fields, I will have to redo all the forms. Later they release this feature more it will cost time to design forms.
BUT, this is an awesome product, no complain there. I am hoping to setup the site and go live by next month.