Hi

Welcome to the group.

1) I would imagine the price difference between the bike engine and
the impreza version wouldn't be alot. I've spent about £13-£14
building mine which can be seen at vstormbuild.thebigg69.co.uk

2) Simon has being doing deliveries of kits in groups, not sure when
his next one is planned for. If you wanted the impreza based version
could be a while as he's only at the start of development.

3) Mine has been built in under 6 months but even quicker builds
would now be possible.
I'm unsure when if ever there would be a full build manual but you
will find that it is very obvious how everything goes together
especially with the photos of mine and also the more detailed website
of Rob Adams.

If you want to know more let me know or check out www.exocars.net as
there is a V-Storm forum there with a lot more posts and info.

Gary