One T37 is just departing on a circumnavigation. Here's a link to their website, but there hasn't been much updating so far:
http://www.voyageofaliikai.com/I cruise of the Oregon and Washington coast in Betty Lou, and have always felt secure, even bashing through 12 foot standing waves 8 seconds apart coming out the Straits of Juan de Fuca. Link to blog and photos:
http://tartansailing.blogspot.com/I would probably do quite a bit of modification to go farther offshore. Many people add a inner forestay and staysail, and I've read of folks beefing up the partial bulkhead in the head, where some have reported some deformation of the hull. As much as I love the roomy cockpit, I'd be tempted to add a bridge deck, and beef up the hatches and seals to the lazerette. It would not be good to flood that space!. I need to replace an aging dodger, and may have a hard dodger fabricated for Betty Lou.