I was able to Upgrade to 3.0.3 Perfectly without any problems
These are the steps followed by me : mebbe helpful for others.
Closed the Forums
Took a backup of my .php files, db and templates (downloaded the entire style, I only have 1 style) installed this style locally on old version i had
I overwrote all the .php files
I just left my header template and reverted rest all
Now, just adding the last few hacks, which i feel are the important ones to be added.
Vb rocks -> my 2 cents..
Sandy...