Update as of right now:
SB customer service says Tuners are in stock.
The funny thing is she mentioned that... and I quote "Has Products Pending Shipment... means "your lucky"
She also said they are quite backed up due to the holidays.
FWIW
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12Gb MKII 080000516 Blue 20Gb MKII 010101303 Green 20Gb MKII 090001020 Green 30Gb MKII 10101980 Blue