I've collected these links for you: (will update them when I get to know more)

Brushes:
My Photoshop Brushes
PS Brushes
Photoshop Bruhes
DeviantArt - Photoshop Brushes
Brusheezy
PSDTuts - Freebies - Brushes
Obsidian Dawn
FBrushes
VectorTuts

Textures:
PSDTuts
FBrushes
DeviantArt - Texture

PSDs:
PSDTuts
DeviantArt - PSDs

Patterns
Patterns
My Photoshop Brushes
Obsidian Dawn
VectorTuts

Styles and Gradients:
My Photoshop Brushes

Custom Shapes:
My Photoshop Brushes

Icons:
PSDTuts
NetTuts

Vectors:
VectorTuts

Tutorials:
PSDTuts
VectorTuts
NetTuts

Thanks alot

You're welcome

Thank you so much, you can never have enough links to resources like this. Thanks again.

You're welcome Some of it are from the same site but I posted the specific link for immediate use/visit