Go with
Mighty Submitter - the most powerful submission tool with user-friendly interface, high quality 1100 TGP database and full customization - you may use it in human emulation mode - just to help you filling the forms, or you can submit in completely automated mode (scheduled submissions are available too), or combining both! Full support for OCR (click
here for supported patterns), file-input field auto filling, IE cookies are stored separately for all profiles, possibility to auto-authorize on proxy servers and lot more...
Feature list is
here
Registration is
here