Thank you indeed, Bert and Mikalai. Getting a mere 'Congrats' from Bert is really an accolade for me.
what i meant by 'weak' in respect to Design patterns of Head First was that, when compared to Deshmukhs SCWCD exam study kit, Heard First lacks the detailed explantions of the same. (This is what i felt!!!). If Bert & kathy could make it a bit more descriptive as done in SCWCD exam study kit, the book is perfect. (Even otherwise, Head First is the Best..