Powershell script to listen for drive connection, check if it matches a predefined list and run the required sync.

MemoryStickSync.ps1

#	Memory Stick Backup Syncronisation script
#	By Joel Matthewman 08/11/2012
#
#	Customizations:
#		Ln 13 path to SyncToyCMD.exe (you may need to change to x86 or other obscure location)
#		Ln 23 Location of dropbox.exe
#		Ln 29 Drive definitions with drive letter and name, and names of any SyncPairs to syncronise
#
#

function syncToy ($folderPairs) {
        msg "Starting SyncToy"
        foreach ($folderPair in $folderPairs) {
            msg "Syncing $folderPair"
            start-process "C:\Program Files\SyncToy 2.1\SyncToyCmd.exe" "-R $($folderPair)" -wait
            }
        msg "SyncToy complete."
}
function dropbox {
        msg "Restarting DropBox"
        stop-process -name DropBox
        msg "DropBox stopped."
        msg "Starting new instance of DropBox"
        start-process "C:\Users\Joel\AppData\Roaming\Dropbox\bin\Dropbox.exe"
        msg "DropBox started."
}
function recognise {
	switch -wildcard ($driveDetails) {
			"R: SOURCY FOUR" {msg "Drive recognised, sync not configured"} 
			"Z: MOLEMAN" {msg "Drive recognised."; syncToy "College","Minecraft","PuTTy Config"; dropbox;}
			"X: MoleMan's Snaps & Tunes" {msg "Drive recognised."; syncToy "Snaps","Music -- 2.5'' - Shared Music"; dropbox;} 
			default {msg $driveDetails " has no defined Sync."}
	}
}
function msg ($msg) {
	write-host (get-date) "`t`t"$msg
}

Register-WmiEvent -Class win32_VolumeChangeEvent -SourceIdentifier volumeChange
msg "Beginning script..."
do{
  $newEvent = Wait-Event -SourceIdentifier volumeChange
  $eventType = $newEvent.SourceEventArgs.NewEvent.EventType
  $eventTypeName = switch($eventType)
    {
    1 {"Configuration changed"}
    2 {"Device arrival"}
    3 {"Device removal"}
    4 {"docking"}
    }
  msg "Event detected = $eventTypeName"
  if ($eventType -eq 2)
  {
    $driveLetter = $newEvent.SourceEventArgs.NewEvent.DriveName
    $driveLabel = ([wmi]"Win32_LogicalDisk='$driveLetter'").VolumeName
    $driveDetails = "$driveLetter $driveLabel"
    msg "Drive = $driveDetails"

	recognise
  }
  Remove-Event -SourceIdentifier volumeChange
} while (1-eq1) #Loop until next event
Unregister-Event -SourceIdentifier volumeChange