We typically recommend Microsoft Windows servers for ASP.NET, ASP and SQL Server users, and if you're one of them you probably knew that already. So, odds are pretty good that if you're shopping for hosting and asking us if you need Plesk, then you probably don't.
For some more information, here's a video Plesk posted on You Tube:
Note: We provide information about how to use certain third-party products as a courtesy. Channel Islands Hosting™ does not endorse or directly support third-party products, and we are not responsible for the functions or reliability of such products. Plesk and YouTube are registered 3rd-party trademarks. All rights reserved.