As much as i B*tch about the quality of most of today's blanks, I'll also give credit where it's due. While i still haven't found any acceptable new stock dvd's In over a year, with cdr's I continue to have good luck with TY PRO 0 46838 04530 1 aka J-CDR-ZZ-SK Silver shiny unbranded. Oddly, the branded seems to suck in comparison.
My most recent purchase was from Meritline, & I'd say over 90% have fallen within my very picky guidelines (99 score, not much over 100 pie's)
And they're cheap; $49 for 200 delivered.
It's been suggested that I try TY 8x +'s for dvd; as soon as i have the $'s I will. As FTI's quality has gone way downhill in the last few months, & I haven't had a decent TY - dvd in ages, I'm hoping for the best.
I do suggest if you have any unburned FTI dvd's older than 2 years, treat them like platinum.
For dl's, I recently tried a 5 pack 2011 manufacture of Verb AZO 8x +'s; as far as burn quality I'd rank them about equivalent to the old FTI Richoh MID value lines for 3x the price. I could live with these if they were cheaper. My most recent test of FTI DL's actually did turn out better, but FTI quality has gotten so inconsistent, I'm a bit gunshy to spend any $'s on them.