You can make your own furniture in Google Sketchup 6 which is freely available for download or u can use 3Ds max. But sketchup is good and easy to use. Then you can import it in archiCad.
I’m in 3rd sem too at IDEA, Goa. We use this softwares right from our 1st year on our laptops. And all the work is done on computers.
You can have alook at our work or can take part in our discussions on our college community____ideagoa.ning.com