1. Decide which you can really afford and whether you intend to fly for the long term. If you think you want to fly for the long term forget about the initial cost - this is just the starter for ten. To fly a "nice" fixed wing for a reasonable number of hours a year reckon on between £5K and £10K every year you fly and at least double that number for a helicopter.
2. If a helicopter is still within your budget book a trial lesson in each or better still cost share a flight or two with owners / operators at your local flying club. It will give you the flavour and the chance to chat to them about why they fly.
3 You will probably discover that fixed wing have some advantages - they can be a lot quicker, on the whole they carry load better and they can fly when the weather is poor. Helis can do all of those things but the expense of achieving them is significantly greater or the approach different. For example you can of course buy a four seater helicopter but the cost will be substantial. You can fly under the weather very low level in a "cheap" helicopter but that is not the way to go any distance, or you can fly in the weather but expect to pay huge bucks for the privilige of a helicopter capable of doing so.
On the other hand helicopters open up the possibility of landing almost anywhere (if you have the landowners permission) - very few fixed wing can do that! However in reality not that many helicopter pilots actually do this unless it is to a few regular and necessary destiantions.
4. Take everything into account. Your finances, your intentions, why you want to fly and whether you will use the mission capability of a helicopter and you are more than half way to answering your question.
If you just love the idea of flying a helicopter for the challenge and cost doesnt matter forget everyting I have said and go enjoy.
In fact in that case while you can - do both!!