[klustregrif]

> I've had papers sit in peer review for two years, get rejected

And for people who aren't in academia, lets just say the unspoken part: While one or more of the reviewers are actively trying to replicate the work so they can beat you to submission after rejecting you.

[riffraff]

With the rise of pre-print archives is this still a problem?

[japanuspus]

Yes - for the high profile journals (Science, Nature): Once it's public, you can forget everything about getting it accepted there.