I've tried a Desktop Search software only once, long time ago. Can't say I liked it. Not that it was crappy or anything; actually I remember it looked pretty decent. But I discovered that I don't really need it. In all the Operating Systems I used (and I used quite a bit), the built-in search capability was more than enough for me. Seriously, you either need to search for a certain filename or a string of text inside a text file. In both situation, even Windows's FIND does the job adequately. If you use Microsoft Office, there's an option called something like "System Index," that wades through all your files making a permanent database on your hard disk, which is used to quickly find the results you're looking for.
Of course, I realize that not all people are satisified with the built-in search. Personally, I haven't tried it, but I have so much faith in Google that I'd like to hear if someone has used the official (non-Beta) version, and hear what they think about it.
All the best,
Mernokh
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