I like the feel of 26" (559 erd) wheels, and now every bike in my stable has them. I have a ton of affordable tire choices, they handle poorly-maintained streets well and they can climb like nobody's business. Plus, I like the look of a mountain bike that's been city-fied.
For now, all that remains is to hook up the derailleurs and take it out for a test-ride. Ultimately, if it works out I'll fit it with fenders and a saddlebag, and I'll have an affordable drop-bar bike for unencumbered riding on the weekends.