Got this lens earlier this year.
I find it extremely convenient for travel, being able to frame my photos from wide-angle to pretty good zoom in a split second without the need to change lenses.
Downside is it's very slow, and you definitely need a tripod indoors.
It's perfect for me as I travel quite a bit, hate carrying heavy lenses, and take most of my photos outdoors.
You can see the photos I've taken with it in my recent trip to Angkor.
http://redox.multiply.com/photos/album/7