Download all the Build 2012 videos...

downloadBuild2012.ps1

(irm http://channel9.msdn.com/Events/Build/2012/RSS/wmvhigh) | where { $_.title -NotLike "*(Repeat)*"}  |  foreach {
    $path =  "E:\Build2012\" + ($_.title -replace ":", "") + ".wmv"
    if (Test-Path ($path)) {
        Write-Output "Skipping" +  $_.title
    }
    else {
     Write-Output "Downloading" + $_.title
        (New-Object System.Net.WebClient).DownloadFile($_.enclosure.url, $path)
    }
 }