|I posted on this back in May.|
I particularly like the HP Photosmart C3150. It's compatible with Windows 98 and has smart card readers on it as well. Probably one of the most modern Windows 98-compatible printers you will find.
Used for $25: http://cgi.ebay.com/HP-Photosmart-C...
Brand-new in box for $200: http://cgi.ebay.com/BRAND-NEW-HP-Ph...
iMac G5 1.8GHz "Hero" PowerPC
2 x 1GB DDR PC3200 SDRAM
160GB WDC WD1600JD-40GBB2
Mac OS X Leopard Version 10.5.8