Having GR"IT" requires three things:
1) Great Information Technology, the traditional IT
2) Great Instructional Technology, the new IT also known as EdTech
3) Great and Incredible Teachers!
Teachers are the most important ingredient for GR"IT"
I think Andrew Marcinek sums this up well and gives great defense about why teachers are the most important factor when bring technology into classrooms and curriculum in this article at Edutopia:
GR"IT" = Information Technology + Instructional Technology + Incredible Teachers