I've been reading about and slowly starting to follow GTD for about 6 months now.

I'm a bit confused about organizing my projects.
I'm a software engineer - so often a project contains subprojects as well as requests. We are a small team of 3-5 people.

For example:

Project: Complete version 1.2 of software
Subproject: Get latest compiler
Tasks: Download
Tasks: Install
Tasks: Test
Subproject: Fix account login
(etc. you get the picture)

I've thought about switching to a project management software for the overall picture, but how do I integrate that with GTD in my task scheduler, etc.

And how does one handle requests and meetings?
e.g. User feature requests - "add new user type" - would I just add a new "subjproject" as needed?
e.g. Get updated xyz from Miriam at next meeting.

Maybe I'm missing something, but it's all just a little confusing. =)

TIA,

Becky