Amazon with Five Star I/E, Inc. has the Five Star FS8088 Ionic Air Purifier Pro Ionizer Cleaner with UV light for $60 with free shipping. Features electrostatic dust collector rod, two fan speeds, germ-killing ultraviolet light, and cleanable filter.
Maybe it's just me, but these ionic "air purifiers" give me a nasty headache after a while.
How does this compare to the Orek?