You have an unrivalled choice of two Winkle Brigs of quite differing specifications.
WB 62, Pat Arnold's boat was well developed by Martin Cartwright, is very well equipped, offers different sailing options and has an upgraded, first class roller-coater trailer.
WB 7, Rick Ladds' is an early boat, unmodified and requiring some work, offered at an attractive price.
Winkle Brigs are very robustly constructed of good design, so age or cosmetic condition should not over influence your choice. All wear parts are easily refurbished, repaired or replaced.
David Cawston's WB 15, owned from new has been well used throughout and Gerard Brown's WB 18, is a prime example of an early boat well restored.
Take the plunge, I am sure you won't be disappointed.