What are the main pitfalls to look out for when thinking of up-rooting yourself & probably your family to a country abroad, ofcourse this is after the financial aspect.
please advice...

Depends on where you are headed ie moving to Moscow or Poland presents different challenges than moving to Minnesota for example. But generally it can be very expensive, the biggest problem for me is getting out of touch with your networks in Kenya and the expectations people have o you when you get back. There is a feeling of being an outsider but can be overcome with an active social life, it can also be very rewarding for the exposure both to you and your family

As you decide, always remember that if it has been your dream to go abroad, there is no one experience that can mirror what awaits you out there, both good or bad.

It's your destiny, and if your care to lose sight of the shore, only then can you discover new land.

Thank you all, the D-Day is almost here and still a bit anxious, however, strongly believe this is destined...the destination is not as challenging as Poland or Moscow. 2013 New year New Things, thanks alot bonze for the encouraging words...

In Europe, if that is where you are headed, life is costly and taxes are high (around 50% of your income give or take) ... even with a high income, the savings are usually lower than initially hoped.
Weather is bleak during the summers and bloody cold in winters. That takes some adjusting if you are an outdoors man or love family picnics. People too can be a little distant and frosty, so you could get lonely.
All the same working in a foreign country broadens your perspectives and experience, I would go for it despite the odds. One advantage is that you can zip around many countries cheaply and without too much of visa hustles, especially signatories to the Schengen agreement, that is a huge plus for a tourist or adventurer.