Agilelabs have just released a new finger-friendly Notes application for Windows Mobile.
Finger operations oriented touch user interface
Text formatting and color tools
PWI, RTF and TXT files support
Embedded file manager with basic file operations support
WVGA and VGA support
WM5 (*), WM 6, WM 6.1 support
AgileNotes is optimized for WVGA and VGA devices (pocket pc and smartphones) with QWERTY hard keyboards (sliders) and touch screens.
There is both a pay version for $9.99 available and a free version with more limited functionality.
Read more at Agilelabs here.