*edit* i just sent another email asking for full sizes again, and informing them i will open a dispute if i don't receive them by the cutoff date (april 10th). if i have to go that route, i'll definitely post here again with a beware... thanks for all the input and suggestions ^^ actually, i'll send a note as well so i can see if it's opened...
*EDIT2* (3/18/11) i just received my full sizes and icon sizes, and an apology for the delay ^^ all is well and resolved, thank you all for the advice ^^