<p>I'm not sure what you mean by "good"... Are you being sarcastic or are you using quotes for emphasis? </p>
<p>Anyway. A <em>good</em> walk around lens in my book would be a Fuji XF 35mm f/1.4. The 23mm f/1.4 is a solid performer as well. On an X-Pro1 or X-E2, especially the 35mm is very unobtrusive. The under-recognized "kit" lens XC 16-50mm is a stellar performer as well, as long as you don't need the large aperture (I believe it's an f/3.5-5.6).</p>
<p>I converted from a large Canon full-frame system to the Fuji X a year ago and haven't looked back. I don't miss the bulk or weight of the Canon system. The images from the X-Pro1 are better than those I got from the 5D, so I'm happy. I do miss the EF 135mm f/2, though. Thankfully, a 90mm f/2 (equivalent to 135mm on FF) is on Fuji's lens road map for the relatively near future.</p>
<p>~Tom</p>