If you are looking for a way to make your application nice looking, those package are right for you.
XP Style window and controls make your program more user friendly.
Package include:

TxpWindow - This nonvisual component will allow you to make your forms similar on XP-window.
Features:
- Different predefined styles: XP Blue, XP Silver, XP Olive, MSN and ICQ
- Gradient fill window caption
- Your picture in window title
- Custom draw window title
- Your custom buttons in window title
- Restricting minimum and maximum window sizes
- Allow making your window is dockable to screen bounds.
- and other features ...

TxpPanel - XP style panel. Very effectly panel with gradient filling title,
rounded corners and other features.

TxpPageControl - XP style page control. Support following features:
- Different tab styles: Tabs, Buttons, Flat buttons and XP-style
- Different tabs position: Top, Bottom, Left, Right
- Different colors for each tabs
- Different hints for each tabs
- Support bitmap on Tab
- Different fonts for each tabs
- Support OwnerDraw mode
- Support for tab gradient filling
- Background image for each tab (tile or strech)
- Different tab caption text alignment (left, right and center)
- Changing border color

TxpComboBox - This is enhanced version of TComboBox control that looks like WindowsXP ComboBox.
Features:
- Three styles: Standart, XP and Flat-style
- Allows to assign Image for each item
- AutoSearch property supported. You need type only first characters to select the item.