Here's what I've been asked to say (more or less):
"
The requirements for browsing Warp Net may change fairly soon. Over the
next few months secure online transactions via SSL and/or perhaps SET may
well be introduced.
"
I've just tried it and if you have an up to date version of Lynx and a
little initiative you can do what you need to in warp mart. Not sure
whether there is an Amiga version of Lynx but it runs on several platforms.
adam