welcome to SM blaxnake..

if you are total beginner( as you are)... then its best to first go with the Maya Personal Learners Edition.. i will get you kickstarted.. once you kinda like master the modelling techniques get Maya complete or unlimited.... i dont recommend going with the complete right away.. check out the free tutorials the site offers and then try modelling your room... basically, with polygons, most of time the tools which you are going to be using are covered there...

enjoy mayaing!!!!
Tariq