I've been using Spin Doctor that came with Toast. The software does a great job are removing pops and clicks.
The only problem I see is that it doesn't have a great wave editor, as you can only zoom in enough, and it's not as easy to cut the wave as other editors I've used. But I've used Audacity, but when it launches, it screws up my MIDI audio settings, and I have to change them everytime I startup.
I downloaded the Peak 4.0 LE demo, but just about all the filters are disabled, so I can't see how well it removes the noise from the vinyl recording.
Bryan