You must have a really big round chubby face to make an big issue out of it. Anyways... back to the topic:
What you're looking for is
Screebl - a background service that monitors the phone's orientation, and based on that orientation decides when to allow the phone's power-saving features to operate.
There's a PRO version too that allows for integration with Locale amidst other extra features.
Also check out
Shake Awake from Maplekey (in the market) - it allows you to wake the phone during a call with a shake.
I also think that
pressing the HOME key should turn the screen on again. Try and let us know.
Don't flame me for the remark I made, If I helped.. Thank me.
If I didn't help, feel free to flame... oh wait. That's not allowed. j/k lol
