Here’s a great looking theme by CB member VinceThePrice called ONYXia v1.4, available for the BlackBerry Curve 8900, Tour 9630, Bold 9000 and 9700.

Features:

• simple, yet professional-looking design
• 12 main icons + 6 side icons for folders / option-related apps (look at the screenshot example to get an idea)
• theme studio 5.0 transitions
• hidden today
• dedicated weather icon (place weather app in the first column of row four in the app screen aka. 19th slot)
• launch QuickLaunch with the space key, and launch SMS And MMS with the dollar sign key
• homescreen is wallpaper-friendly

While these theme may not be fully skinned it definitely offers some great features and will give your compatible BlackBerry a good look. Download ONYXia v1.4:

• Bold 9700/Tour 9630/Curve 8900:
  • OS 5.0 OTA: Click here
  • OS 4.7 OTA: Click here
    
• Bold 9000:
  • OS 5.0 OTA: Click here
  • OS 4.6 OTA: Click here
• Info: ONYXia v1.4 Theme Page
• How To: Install applications and themes via OTA with or without using data