I love the idea of Cascade 29s, but the reality might be a let down.
They are capable of doing remarkable voyages. My favorite Cascade 29 circumnavigation site is Ed Hart's:
I like the ones with the solid aluminum toe rail that extends right off the bow. It's so strongly integrated with the hull/deck joint that they simply attach the shrouds to it.
The reality, though, is that these are typically owner-finished boats, and so far the three I've seen were pretty disastrous. There's nothing like popping open a lazarette and finding acres of rotting plywood. Better still is the "creative interiors" with the cracking yellow linoleum and the head in the middle of the parlor.
Sometimes these are being sold with the idea that "the hull alone is worth $5,000," but really, who really wants to gut and entirely rebuild the interior and decking hardware of a 29 footer... The cost of the parts and wood alone would be significant, not to mention the hours and months involved.
I've seen 27, 36 and 42 foot Cascades with pretty nice interiors, so I imagine that good 29s also exist, but don't get your hopes up. I like the hull design in general, but it is narrow by modern standards.
For a little more in the same size range, I'm curious about Bayfield 29s: