They just came out with a very lightweight lens. It would be my walk around lens, in fact as of now my only lens since I broke my current one.
Tamron AF 18-270mm f/3.5-6.3 Di II VC PZD LD Aspherical IF Macro Zoom Lens with Built in Motor
I have a Canon T2i.
Tamron 18-270mm F/3.5-6.3 Di II VC PZD is the world’s most compact, lightweight lens with a 15x zoom ratio, featuring a 62mm filter diameter, VC (Vibration Compensation) image stabilization and Tamron’s first standing wave ultrasonic motor system for SLR lenses, PZD (Piezo Drive).