For those of you on Windows, you might like to check out the 3.8 beta — the development team have been focusing their efforts on improving call quality in this release, and so you can expect:

• Significantly reduced background noise
• Less delay
• Fewer call drops
• Fewer cut-outs
• Change your headset, headphones or microphone without having to fiddle with settings

You can find the full release notes over at the Skype Garage blog, and you can download the new version right away.