I don’t think the Bahrain layout is that bad, it’s just where it is on the calendar, being the first race is never easy, but then again, compare the start of 2010 with 2008 at Albert Park and there’s a considerable difference.
The circuit you’ve proposed has no challenge in my opinion, the fastest cars will win, I like to see an F1 car driven flat out around fast corners, such as the final two corners of the second sector (Or are they the first two of the third sector).