Previously the exclusive phone-swiping domain of Sprint's Nexus S 4G, it now seems possible to get the wonders of Google wallet on its decidedly 3G predecessor. However, it's not an operation for the faint-hearted. If the words Cyanogen, full wipe, flash and kernel resemble white noise, it's probably worth waiting for an official release. See how the forum members at XDA Developers got their NFC wallet fix at the link below.
[Thanks, John]