1. the AOhell browser is a somewhat proprietary tool (like many other AOhell products) and such unsupported I believe.
There is nothing to stop you from using a different browser Firefox, Opera or IE after you have established your AOhell connection, all of which are supported.
2. I believe the same is true of the AOhell email client for the same reasons as above.
I think you should be able to use something like Thunderbird, I don't really have any experience of avoiding AOhell products as I have always avoided AOL.
3. "As AOL software basically takes over online activity, it's difficult to not use their browser and mail with them as ISP. "
Which is where my AOhell jibe comes from
they try to isolate users from the full functionality of the web.