Right, decision made, no more pussy-footing around. Dubrovnik it is, hopefully first week of May before it disappears under the weight of foreign tourists on package holidays!
Best flight I've found is Easyjet, Stansted --> Dubrovnik about £130 return. Monarch (hi

) go from Gatwick, but are no cheaper. Any suggestions welcome, as I didn't get where I am today by spending surplus cash on flights!
Korčula and Mljet islands are deffo pencilled in, plus a visit to the arboretum at Trsteno.
Travel insurance soars in price as soon as you mention the "C" word, but having had treatment last year, it would be dumb not to mention it and risk invalidating the policy.
Anyhoo, all recommendations in Southern Dalmatia are very welcome as I try and cobble an itinerary together. Cheers one and all