Originally Posted by 79pmooney

Get a different stem. Bigger angle. A 30 degree 100 cm stem would raise your bars 4 cms over the 5 degree stem.

If it were me, I'd sketch up on paper the head tube centerline at its angle, the top of the headset, the spacers you have and your current stem. Now you can sketch over that the stem you are looking at and see just what it will do to your handlebar position. All you need is a metric ruler and a cheap protractor. I'll bet a department store's school supplies aisle will have them.

Ben