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Full user review
"Fast, efficient and with great features. What's more"
Fast, efficient and with great features. What's more, it's FREE
None come to mind
I believe Smart Defrag is the gold standard for computer defraggers
Read more: Smart Defrag - CNET Download.com http://download.cnet.com/Smart-Defrag/3000-2094_4-10759533.html#ixzz1x1oiRORr