My wife bought the Burley Travoy to use for our recent trip through the San Juan Is to Victoria BC. She liked being able to take a few more items. She used the market bag that came with it, but I think the future (gift idea) she will get the transit bags. The longest ride we did was 45 mile she towed the Travoy about 30 of those. She loves it.

That think looks like it would be the nuts as a grocery getter...... even heavy stuff, like beer!

yeah I think that is what it was designed for

Very smart design. I'd like to see the rack part supported with stays to rack mounts near the hub. Not sure if the rack part stays on the bike or goes with you when using as a handcart, but I'd make it sturdy to hold heavy items.