Safari won't bounce on dock but opens fine?

It in itself isn't the issue but the only way I can reset the browser is to force quit.

Ok...
Might be corrupted Dock preferences.
Go to ~/Library/Preferences
Move the com.apple.dock.plist file from the Preferences folder to the Trash.
Restart your Mac.
See if that helps...
~ (Tilde) character represents the Home folder.
For Lion:   To find the Home folder in OS X Lion, open the Finder, hold the Option key, and choose Go > Library

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