From my point of view the access speed of the cart by customers is much more important than development speed.
They (the customer) could care less about the technology behind it.
I, over the years speak with many and if they hit a site that does not come up fast enough (or navigate thru the site with too much of a delay), they move on.
Bottom line...Possible Sale Lost.
So we wil not be moving to 1.7.
Enterprise FW sounds nice and neat from a tech point of view but unless the above concerns are addressed we'll stick to a lower version of nopCommerce which we are very very happy with.
I could be wrong but my guess is that there a really only a small percentage of coders who are asking for this change. Usually the same ones over and over from what I noticed.
Yes they are probably the ones posting most often. The rest of us are happy the the way is was and don't post too often if at all.