I've had several people ask me what I think the best, top, most user friendly, ultimate, and so on distribution is–so now I'm publishing my Top 10 Linux Distributions in reverse order of preference.
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5. Knoppix – Knoppix is the original Live Linux CD and is still the force to be reckoned with in that area. Almost all other Live Linux CDs use Knoppix as a starting point. It is Debian-based and has absolutely never failed me. It is the best equipped Live CD I've seen to date and takes the top spot amongst all its competitors. If you want to use a Live Linux distribution, this is the one to choose.
2. Debian – For years, I shunned Debian as the outsider in the Linux World. To me, it was kind of the ugly puppy that you want to give away first so that you aren't stuck with it. It takes this coveted second place because of several factors: It has the largest worldwide community of volunteers who support it, it's one of the oldest distributions, it supports more platforms and languages than any other distribution, and has spawned more distributions and projects than all other distributions put together.