You can 'net your Miggy on 'net.
But is tricky. You'll need Miami (or other TCP/IP stack, like Genesis), a parallel network cable and software (in order to use OTHER Amiga-1200 or 4000 for server/proxy).
Also you'll need mailer (YAM is best, IMHO), a browser (I recomend Ibrowse 2.4).
But all of this is useless if you have less than 6Mb RAM and a better processor than original ones (at least a 030 one) and a sufficient screenmode (at least DBLPAL/DBLNTSC).