This is a Christmas present for a relative so I can't tell yet, but I've ordered it from Revain before (I don't remember which one exact suppliers) and they have always done well.
π Smartbuy 700MB/80min CD-R Blank Data Recordable Media Discs - Pack of 100, 52x Speed, White Top
10 Review
Sony 8cm DVD-R Double Sided Hangtab 3-Pack 3DMR60DSR1HC
11 Review
Verbatim 4.7GB DataLifePlus DVD-R 50-Disc Spindle: White Inkjet Printable with Hub Printable - 16x Recordable Disc (95079)
10 Review
π Verbatim BD-R 25GB 6X Blu-ray Recordable Media Disc - 3 Disc Jewel Case Box - 97341: High-Capacity Blu-ray Recording for Optimal Storage
10 Review