The problem with it is that it won't work in members-only areas. I'm nearly done with making a bridge to bypass that issue. Might post that as a resource later, if I actually finish it. I have my hands full with porting my site to IPB 3.
Edit:
@Curtis its not just a simple edit. Because of the way IPB 2 processes its code and quote bbcode you can't just copy/paste their example and get it to work. The easiest way around it is a javascript fix but then your still stuck with the members-only sections, which requires a "bridge".