Recommendation for Spanish immersion style

[babygemma]

Hi,

I'd like a recommendation for a high-quality immersion style Spanish program on a CD, non-DVD please because my 6.5 yo ds doesn't do media. It would have to be pretty advanced, so anything that incorporates grammar would be great. He has had 18 months worth of immersion in the language so he has pretty literacy and comprehension skills.

Thanks in advance.