i might be wrong but i believe TDK Scratchproof DVD (- or +) ar only sold in jewel cases or videoboxes.
The only scratchproof DVD available in spindles are for professionals dvd maker and so far i've not found any shop any where to buy this kind of disks.
Like someone already said before on svp.co.uk you can buy the 4 kinds of TDK scratchproof dvd (-r Â£0.87, +r Â£0.87, -rw Â£1.25, +rw Â£1.19) all with videoboxes.
You can also find TDK scratchproof DVD (only -r in jewelcases at Â£0.92 each).
If you find a better deal, let me know