Anyone running Portal with NOARCHIVELOG mode in the Oracle DB?

Although we have several high-volume SQL Server customers running their DB in simple recovery mode (no transaction logging) with success, I am trying to determine if anyone is doing the equivalent with Oracle DB.
Even if you aren't using NOARCHIVELOG mode, please let me know your thoughts on performance, especially since the perception exists that the Portal is less performant on Oracle DB than on SQL Server. If that perception has any basis in reality, there should be an even greater potential for performance gain using Oracle DB, through intelligent tuning.
The cons of NOARCHIVELOG were pointed out to me by an excellent DBA:
1. Lose the ability to do hot online physically backup, (both RMAN and Manual)
2. Lose the ability to do point in time recovery of your database (irrelevant to the Portal)
3. When something bad happens to your DB, you are guaranteed to lose some data, because you can only recover to last good backup. (This is either acceptable to the business or not. Usually it is.)
Thanks for your thoughts!

There are no dumb questions. 'Better' or 'worse' can mean different things from different angles. I won't recommend something to a customer that I saw in an article somewhere, or gained knowledge via hearsay. I have to have tried it successfully with a customer, usually though iterative tuning, testing and monitoring cycles.
With that said, I see nothing wrong with using NOARCHIVELOG mode for the portal, and am looking to find someone with experience using it with the portal; and I don't mean a portal with four communities and a scant thousand users. I am looking for something more on the scale of our mutual customer who had about 15 front end portal servers, and about 15,000 hits per hour. Who, incidentally, is happily using SQL Server in simple recovery mode, and was game to try it out in the first place.

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