I gave it shot for a while because I needed the Turbo feature. I liked using Opera, it was fast and the new chrome-like GUI is nice. However... as soon as my internet was back at full capacity I changed back to Chrome. You say you like it because of the completeness, but I found that it was missing quite a few small things which I cannot live without. Off the top off my head I can only remember two things -

Tabs cannot be dragged in and out of windows

Text cannot be selected and dragged into the URL bar