Acronis Backup and Recovery Software $4
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Newegg has the Acronis True Image Home 2009 Backup and Recovery Software on sale for $28.99, before this $20 mail-in rebate and coupon code EMCLVML65 drop it to only $3.99 (you'll need to sign up for their newsletter to use this coupon code). Designed for Windows PCs, this features an easy-to-use interface, one-click backup functionality, and more. Shipping is free and there is no tax (except CA, TN, NJ).