As Plesk control panel is a 3rd party application, you will have to pay additional charges for it.
So if you choose Windows VPS starter with Plesk 10 domains control panel, you will have to pay $24 Per month.
Also, as Plesk power pack is a 3rd party application provided by Plesk, you will have to pay additional charges for it.
The cost of Plesk power pack is $5 per month.
Hence, if you choose Windows VPS starter with Plesk 10 domain control panel and Plesk power pack, you will have to pay $29 Per month.
Please feel free to post if you would like to have more details
