In the lead up to the 50th anniversary there are new audio adventures for all the Doctors. Which (at least to my knowledge) marks the very first audio story featuring the Ninth Doctor and in the company of Rose and Jack no less:
http://www.amazon.co.uk/gp/product/1471311759/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1 There is also a new adventure with Ten announced, in which Donna will be his companion and which Catherine Tate will co-perform in:
http://www.amazon.co.uk/Doctor-Who-Deaths-Deal-Destiny/dp/1471311767/ref=pd_bxgy_b_img_y