The standard sales price for media in the USA appears to have settled at 40 cents per disc for all grades. Some sales are better. Anything with a mail in rebate or crap media has been skipped.
Best Buy
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Fuji 8x 50 pack - and + for $19.99 (Look for Made in Japan and get Taiyo Yuden)
Verbatim Digital Movie 25 pack - and + for $12.99 (Likely 4x and MCC)
Office Depot
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Maxell, Memorex, and Phillips 15 pack - and + for $4.99 (Look for Made in Japan Maxell)
CompUSA
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Memorex 50 pack 8X - and + for $19.99
Memorex 25 pack DVD+RW for $9.99 (2.4x)
K-Mart
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Imation 15 pack - and + for $4.99 (Could be Ricoh, MCC, Fujifilm, or CMC)
Staples
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HP 50 pack - and + for $17.94 (Could be CMC, MCC, or Phillips)
OfficeMax
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HP 8x 50 pack + and 25 pack + (Likely CMC)
100 pack of no name stuff for $29.99 (Likely Princo or CMC)
The best deal is the Maxell at Office Depot if you can find Made in Japan spindles (33 cents a disc) followed by the Fuji at BB if you can find Made in Japan spindles.