Prices have been in freefall for a long time, but I still get taken by surprise every time I look at the low end of the market. How about an entire HP system – including Presario computer, 17″ monitor, and printer – for under $500? The computer has a 2.2GHz Celeron processor, 128Mb of RAM, a 40Gb hard drive, CD-ROM, speakers, and a floppy drive, and shipping is free for the next month. Here’s an article about the HP deal and some of the other cheap systems available this summer.