tungstentee wrote:would definately recommend sketch up as its great for rendering in a sketchier style and its easy on the pocket as well as being extremely user friendly...viz is more a professional photo realistic programme, hence it will cost you a hefty few grand, and no matter what anyone says it is a complicated programme to get your head around.
seconded. try http://www.cgarchitect.com
for galleries and tutorials on 3d modelling.
i learned all there is to know about sketchup in a day. been using viz for 2 years and i still find new tricks and tools all the time.