Eureka Blaze 3 in 1, it's really light and comes apart easily. It can also be handheld and does furniture nicely. The suction isn't the best but it does a good job,
Eureka Home Lightweight Mini Cleaner for Carpet and Hard Floor Corded Stick Vacuum with Powerful Suction for Multi-Surfaces, 3-in-1 Handheld Vac, Blaze Blue - Yahoo Shopping
The Eureka Blaze Stick Vacuum Is Only $34 at Amazon