The Neoplanet default channels include SNAP! sites as deaults for virtually all channels.  On this page are several alternative "sponsored" default channels as well as a "Non-Sponsored version of the Default set.

Additional Local Channels not included in the Neoscheme Archive

The major ISP providers (ie, AOL, MSN, Mindspring Etc., generally include links to web sites that comprise thier "content" .  These channels emulate this content organization for non-subscribers

I use a high speed cable modem at home.  These are sites that are rich in graphics and multimedia applications that are generally not that usable for dial up modem customers.