mWave.com has the Arctic Cooling AF 9225L Black 90mm Ultra Quiet Case Fan for a good price.

Item has a rating of 5/5 from 6 reviews

Google Products Price : $10.22 ~ $16.50 Shipped

1. mWave Price : $9.99 Shipped
2. Use coupon code FAN8 to get $8 off
Final Price : $1.99 Shipped