.com with a dash or .ch without? Newbie question

Hi all,

My first post so go easy

I am starting a business that is called say "BusinessName" and I have bought these domains:

BusinessName.ch and Business-Name.com

BusinessName.com is not available, cash parked (I am trying to contact the owner).
BusinessName.co.uk - is soon to become redundant as the guy is selling his house which is essentially the business

This is what I am weighing up after lots of research in various sites and blogs including Google, Matt Cuts, SearchEngineLand etc:

1) Go with BusinessName.ch because it is a business about traveling to Switzerland and therefore the local relevancy might add weight in Google
2) Go with Business-Name.com and don't worry about the dash being difficult to pronounce and remember
3) Ditch the idea and get a new business name

My gut feel is go with .ch because it is better for branding, focus on creating great content and hopefully buy .com and co.uk later (market is UK tourists) and perform a 301 redirect. I have the Facebook and Twitter accounts in BusinessName format.

Would really appreciate your thoughts and thanks in advance for your time.

Tom

p.s.Hopefully posting in the right section and I read the "read before you post" warnings. There ain't so many .ch related posts out there so concerned it is a bit of an internet backwater!