"In my personal opinion, we will have to go back to the basics: To all the wonderful design fundamentals that were being discussed in the 90’s: the SOLID princi

"In my personal opinion, we will have to go back to the basics: To all the wonderful design fundamentals that were being discussed in the 90’s: the SOLID principles of OOD, design patterns, software reuse," - Err, Agile is based on those principles to. Agile takes quality above all else, a task is not finished until its finished well. Agile has always been combined with software craftsmanship, especially XP style engineering principles.