Best Buy has a 100pk 80 min Philips CDR this week free after rebates (US $39.99 - $20.99 instant rebate - $14 mail in rebate - $5 mail in rebate).
They also have:
Memorex 50pk 80 min spindle for $4.99 after rebates ($22.99 - $10 mail in rebate - $8 instant rebate). The spindle pictured is Taiyo Yuden.
Imation 20pk 80 min in slimline cases $1.99 after rebates ($14.99 - $8 mail in rebate - $5 instant rebate)
None of these list a speed rating.