NOPE
Here's what you got to understand about NetZero highspeed -
it's still dialup. That means it won't be nearly as fast as DSL or Cable because it's not fully digital. DSL & Cable run on digital lines that were designed for high-speed access. Phone lines are analog, and there are limits (there isn't even true 56Kbps speed though all modems these days are listed as such).
NetZero's highspeed works by using NetZero's servers and software to collect your webpages for you so it'll be on their system when you call for it. They send you the sites in compressed packets that your NetZero software decompresses to show in your browser. They also compress data such as graphics and email for faster transmission.
HOWEVER!!, NetZero's "high-speed" does
NOT speed up file downloads, audio and video streams, or secure sites (such as banking, personal acct info, etc). So don't expect email attachments to come any faster. And there's
NO guarantee you'll get all the sites you like any faster. They say they archive "frequently visisted" sites. If that's the sites YOU frequently visit, cool. If not, you may still get SWACpage as slow as ever....
I've never tried it, so I don't know how it works in real use. But that's what I gathered from reading NetZero's info on the service. If you just want to surf the net & check email faster, it may be worth your while (still cheaper than AOHell, MSCrap, etc

). But if your purpose for getting the service is to download stuff faster or get music & videos better, you STILL have to pay the serious dough for DSL or Cable.