You don't need to pay £30. On Ebay they sell all this on disc for a couple of quid delivered. Upload to your computer, then transfer to your phone via a cloud or email or some transfer software you get with your phone.
The issue with this is the 2000+ instruction manuals. GIW has over 3,500 manuals, a lot of which aren't available elsewhere as they are scans of old manuals. Most, if not all, of the manuals on the DVDs available are available to download from the manufacturers as are the extras that are advertised as being on the disc.