Curt Hibbs wrote:
> 
> Bruce Tate and his partner Justin Gehtland were engaged by a client to
> replace an web app that had originally taken the company a year to develop.
> Justin took 4 months to reimplement this web app using Spring and Hibernate.
> Bruce characterized Spring/Hibernate as among the most productive frameworks
> available in the Java space.
> 
> Recently, Justin decided to re-implement with Ruby on Rails. Bruce said that
> this took a total of 5 days (Justin's weblog reported 4 days for 80%
> completion so, presumably, 5 days is for the whole thing)!

The devil's advocate would ask, how much of that first four months was 
devoted to Justin developing his expertise in the application itself? 
Once you've mastered an application's logic, you have a distinct 
advantage when re-implementing it in another environment.

-- 
Glenn Parker | glenn.parker-AT-comcast.net | <http://www.tetrafoil.com/>