Yo! SalemJeanette here
I just discovered the Idolmaster like one week ago and got obsessed with it. A friend on the internet even told me that he found disgusting how heavily and fast i fell in the whole Im@s thing because well i browsed, learned about the characters, listened the cds watched videos all nonstop, but that's me i get obsessed with things i like. I dont have a xbox360 neither a psp or DS, only a wii and ps2 so i cant play any idolmaster games but i've seen various videos of gameplay to see how it's like and read some of the story about the characters .
Welcome to project IM@S !
Its weird me saying that, I've only been here a week

Not having the game means you cant enjoy that wallet-lightening sensation of dressing up your fav idol in skimpy swimwear or school uniforms, but you can always watch other peoples videos.
As for obsession... youtube is a very dangerous thing... I was a sane non-IMAS person until I unexpectedly found a video of 3 idols in bright coloured maid uniforms. Now I'm beyond help, the days, no weeks I've 'lost' watching videos of Yukiho, Chihaya and Makoto... which I shall cherish forever! There is no escape once you start, you have been assimilated

The animes are good I think, although totally different, Xenoglossia is quite different with the characters but I still loved Yukiho in it, especially some of those scenes with Chihaya...