same with Melody 4x +r; my first two pack (10pcs/pack) were doing fine but the 3rd one is horrible, 5 out of 10 could not be finalized after recording, the other 5 have 3 showing 'no disc' on the dvd vedio recoder, i dare not do anything to the rest two even they are readable at this moment....may not be able to be finalized properly. I am returning to the shop...now awaiting the comments from the service center.

it seems quality of +r varies a lot; +rw is very stable to me no matter Melody, Ritek, or Memorex which are used now by me (perhaps all from Ritek?)

Now I only use +rw for recording as the price difference between +r & +rw is not much now; Ritec +rw sells 65/pc at normal shop, I am sure there should be other channels much cheaper