Welcome to the forum, I'm sure you'll find it really useful, as the people are here are great, I know they have helped me out a few times (Thanks Guys & Girls).
I know what you mean about the standard sound system its pretty appalling, but I'm sure you'll get it sorted out soon enough.
If you've got any problems with ya car, feel free to ask, (I'm not just talking about me here) There's loads of people on this forum that'll help you out at a drop of a hat.