I'm in! (New account, long-time MacRumorser. Starting up a YouTube channel to do "vintage computing/gaming" stuff, so starting up a new online presence for it everywhere. Rather than use the three different names I've been using on various sites.)
Unfortunately, for work, I *HAVE* to use a Windows 7 computer (custom 64-bit Windows software, plus some obnoxious internal websites that only reliably work with IE, and some external websites that require a modern browser. Plus Cisco VPN that doesn't have PPC-compatible software, needed to access some internal resources, including a VOIP phone client required to do my job that is Windows-only.)
But I can swap my Intel iMac that sits next to my work machine with an iMac G4 easily enough. And can swap my MacBook for a Titanium PowerBook G4. I can even swap my iPhone 7 for an original iPhone (does running Whited00r count?) and *sigh* give up my Apple Watch for a week.
While many people do use PPC as "daily driver," almost all of them are on last-generation PPCs (1.33 GHz G4s or faster, or G5s, running Leopard,) I feel like part of the challenge is to go older. Hence I'll be using machines booted in to Mac OS 9.
If I think I can get away with it, I'll even go pre-Jobs-return and go for even older, System 7.5 machines. The lack of even barely-passable web browsers on them might make that tough, though.