I don't think so. But its possible if rooted you may be able to put the stock calendar on there. I recommend Launcher Pro Plus ($3) and using his fantastic widgets (only available on the Plus version). That calendar widget makes the Samsung calendar so easy to use with a toggle calendar vs. agenda view and a quick button to add events. The only lame thing is Samsung's insistence to default to the phone calendar rather than Google - but that's easily changed when you're making your event.
I'm curious what you loved about the pre calendar so much. The complete lack of Agenda view killed me and the lack of readable text size in many of the views and lack of ability to link contacts to events on device was terrible. Agendus on the previous palm generation was great- but Palms' insistence on not allowing developer access to the core Pre databases killed it for me.
I left for that very reason. Now I have loads of calendar widget options- different ways to view my calendars and tasks. And TOUCHDOWN for Microsoft Exchange server? AMAZING. It's like Outlook for your phone. There is a beta to have it sync with your local outlook if you're into that thing by the way- google it or email the developer. The Demo is free and lasts 30 days. Shame that app doesn't work with cloud accounts like Google, or I'd use it for all my PIM data needs.
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