So the question is whether the Turbo suite will have enough flexibility to make it the great hobbyist development ide that Borland hopes it is.

I'm discouraged that they felt they had to limit the software in some way before releasing it. At least if it didnt support some complex language structures such as interfaces or something, that would be better than cutting off support for 3rd party addons. Most commercial projects I've worked on have relied heavily on 3rd party components and controls, and as a freelance developer, the Turbo ide certainly wouldnt have cut it.