Buy.com offers Smith Micro's VMware Fusion 2 for Mac, model no. VMFM20BX2, for $28.99. This $10 mail-in rebate knocks it to $18.99. Plus, use this mail-in form to receive a free downloadable upgrade to VMware Fusion 3. With free shipping, that's the lowest total price we could find by $10, although we saw it for $2 less in October. This software allows you to run Windows applications on your Intel-based Mac from OS X. Deal ends November 30.

Of note, upgraders and owners of competing software suites can instead use this $30 mail-in rebate to receive a $1.01 profit.