Hi Magic77,
I agree with devil666x. You will also need to be aware that the resolution of the screen of the HTC will also have an impact on what cab file chosen.
That is, there are at least two different cab files for HTC's. One for QVGA 240 x 320 and one for VGA/WVGA 480 x 640 / 800.
NB: after you download the attached file, change the extention from .rar to .cab and copy it to your HTC memory card and install it from there. It works on my Omnia.
Regards,
David