It gets old trying to do these by hand all the time, pipe to clip.exe and call it a day.

HeaderComment.ps1

## Generate comment blocks that can denote regions in your script
filter HeaderComment {
    [Alias('HC')]
    param(
        [Parameter(Position=0, ValueFromRemainingArguments)]
        $msg
    )
    $msg = $msg -join ' '
@"
################################################################################
$($msg.PadLeft((76/2) + ([Math]::Ceiling($msg.Length/2))).PadRight(76).PadLeft(78,'#').PadRight(80,'#'))
################################################################################
"@
}