Redcrx's advice is spot on, i worried about the preperations as soon as i got engaged and dint really enjoy being engaged if you know what i mean!
Argos and Debenhams and places like that all do free wedding gift planners, go in and have a look around and see if you want stuff from there.
Then phone around get quotes and slowly plan then, talk it through and get a idea of the budgit, we had a major lack of money and ended up with a small wedding in a registery office that was lovely.
Getting married abroad is always lovely, when you say wedding people always want to get involved and offer their advice, so just listen to them all and then decide what you both want. I am sure you will come up with a lovely one and have a brilliant day. xx