Any of the freebies will likely be difficult to set up. Avoid Miami.
I guess its all about Opinion, but you cant go wrong with Miami or MiamiDX its so simple to use and has tonnes of extra features if your experience with LANS and NAT translations etc.
Simple to Setup, works with cable modems unlike Genesis (OS3.9) which has real problems with DHCP.
If you are using an external modem
Download and install the Miami Demo
http://www.nordicglobal.com/swdl.html#MiamiYou can buy / reg Miami from
www.weirdscience.co.uk in leicester if i remember.
(Requires MUI) to be installed first if i remember.
http://ftp.plig.org/pub/aminet/util/libs/mui38usr.lhaSelect Built in serial driver
Enter the phone number of your ISP
Enter your Login
Enter your Password
Save Config Job Done
Get a demo of Ibrowse from
http://www.ibrowse-dev.net/download.phpEnjoy the net