I soaked the back of my camera, which fried the LCD and one of the buttons. Bought a new back on eBay for $60 and used this to replace it in about an hour. This might be the preferred way to replace the LCD for some folks, to avoid having to what appears to be a fairly delicate desolder-resolder to replace only the LCD. As of the time of this comment, the parts cost a little bit more -- like $20 for LCD vs $60 for the full back, but not prohibitively so.
To isaac: no. The exterior glass is separate from the LCD.