Epson's new printers change the ink-onomics of your home office. WSJ's Wilson Rothman explains why paying more will make your ink-cartridge hassles disappear. It was after midnight, and I was ...

Using included ink bottles, the claimed print-out yield is 4,000 pages with black text or graphics and 6,500 color pages. All color inks are dye-based. Expression ET-2550 , $400.