Desktop themes (RoyalFour and RoyalRed) impact on machine?

[makeitcount]

I've recently discovered RoylRed and RoyalFour, and am currently using RoyalRed. But what I was wondering is if there is any impact on the resources used? IE: is WinXP slower with these themes than regular?

Hopefully someone has the knowledge! =)

Links:

RoyalRed
http://www.deviantart.com/deviation/11034691/

http://img.groundspeak.com/user/91fa333 ... 20f627.jpg

RoyalFour
http://www.deviantart.com/deviation/10955957/

Patcher:
http://www.neowin.net/forum/index.php?showtopic=140707

[Kyocera]

I have used some of the themes from deviant art before and have always had problems. There is a nice theme posted by gator in the "pictures of your thinkpad" conference "royal noir" a black vista looking theme it is the best I have used, so far no problems at all.