You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
If you've got them on GOG, then they should be offering the same discount there.
Furthermore, if you've got the Witcher 1 or 2 on other services you can likely get free GOG versions. For Steam go to their pages in the default library view and click on "CD Key". You can redeem it on GOG.
Don't trust the smiling penguin! http://backloggery.com/mydogskip93