Build yourself - Thats what we are here for
The learning experience is invaluable. Fitting a PCI card like you have already done is about as complicated as it gets. Just think of it as a big (more expensive
) jigsaw.
If it wont go in with a gentle push, it doesn't go there.
Just allocate plenty of time, take your time and you'll be fine
edit - add your location to your profile, its been known that local people have offered 1 to 1 support on here