nvdangelo

hi, i am designing some posters for work and i need to email them to the printing company.. my posters will be made into numerous sizes varing from DL cards (110mm x 320mm) right up to A0 size (1189mm x 899mm) on the resize option when i start.. what size should the follwoing be?: resolution, canvas size, pixel size etc... to make it best for printing these sizes.. also, they need them in pdf format... how?! cheers, nadia