Here is one many people want: a way to dial one-handed (new numbers) from the Today screen...so simple and elegant. Plus free!
Edit: Noticed that there currently is no Delete key in case you dial the wrong digit. I pm'd Blade to see if he can address that issue. Otherwise, it's a lil' bit slow but a great start, imo.
Blade's Hacks Page
Just look for "One-handed Dialer" to the right list, near the bottom.
The program ooks like this:
