Borrowed from Slickdeals.net:
Costco Unadvertised Deals For BF Weekend 2009
The following is a list of some of the unadvertised instant rebate deals that will be available at most Costco locations in the U.S. through the 2009 BF weekend.
Have a happy shopping season.
Acer
Netbook w/Accessory Pack-AOD250-1389 ($50 off)
Netbook-AOD250-1958 ($20 off)
Canon
HF200 Camcorder Bundle ($30 off)
SD1200 Digital Camera Bundle ($20 off)
Sx200 Digital Camera Bundle ($40 off)
Casio
FC100 Digital Camera Bundle ($50 off)
Hewlett Packard
C4550 Printer ($30 off)
Laptop 15.6?-G60-533CL ($50 off)
Ion Audio
USB Turntable-TTUSB10 ($20 off)
LG
50? Plasma-50PQ20 ($100 off)
Logitech
C600Webcam ($10 off)
Mitsubishi
Mitsubishi 73? DLP Rear Projection w/ TV Stand-WD73C9 ($300 off)
Nikon
S570 Digital Camera Bundle ($50 off)
S630 Digital Camera Bundle ($20 off)
P90 Digital Camera Bundle ($100 off)
Olympus
1050SW Digital Camera Bundle ($20 off)
Tough 6000 Digital Camera Bundle ($30 off)
Panasonic
TM10 Camcorder Bundle ($50 off)
SC-PT673 DVD Home Theater System ($30 off)
Philips
HTS3371D/F7 DVD Home Theater System ($20 off)
Ooma
Ooma V.O.I.P. Phone System ($20 off)
Samsung
23? LCD-P2370HD ($50 off)
32? LCD-LN32B540 ($150 off)
40? LCD-LN40B540 ($150 off)
46? LCD-LN46B610 ($400 off)
52? LCD-LN52B610 ($300 off)
58? Plasma-PN58B540 ($350 off)
Blu-Ray Player-BDP1590C ($30 off)
HT-X810 Soundbar w/ DVD player ($50 off)
SMX-F33 Camcorder Bundle ($30 off)
Seagate
1 TB Portable Hard Drive ($30 off)
Sharp
60? LD-LC-C6077UN ($300 off)
Sony
32? LCD-KDL-32LL150 ($100 off)
40? LCD-KDL-40VL160 and Blu-Ray Player-BDP-BX2 ($280 off) ***you must purchase both on items on the same receipt during BF weekend to receive this instant rebate.
52? LCD-KDL-52V150 and Blu-Ray Home Theater System-BDVT11 ($600 off) ***you must purchase both items on the same receipt during BF weekend to receive this instant rebate.
DAV-HDX589W/M DVD Home Theater System ($70 off)
Blu-Ray Network Streaming Player-BDPN460HP ($30 off)
Teac
HD-1 HD Radio ($20 off)
CD-X60I IPod/MP3/CD/AM-FM Sound System ($20 off)
Vizio
26? LCD-VA26LHDTV10T ($60 off)
Blu-Ray Player-VBR-110 ($40 off)
Motorized Tilting TV Wall Mount-VMT40-55M ($50 off)
Western Digital
500 GB Portable Hard Dirve ($15 off)
Here is the rest of
the slickdeals thread>