Personal view. I think the gap between the 150 and the 200 is big - more than you'd think from the price difference. Two big features stand out - difference in chip size (1/2" v 1/3"), and the fact that the PMW200 has the "true manual" lens, in other words the focus has end stops. Consequently, I'd try very hard to find the extra to get the PMW200 over the 150, it's worth it IMO.
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I don't get this--are you saying that the PMW200 costs more that the PMW150 in Europe?
Here in the U.S. the B&H price for the PMW200 is 6,299, but for the PMW160 (150 equivalant) the price is 7,790. That's nearly $1,500 more for the PMW150. Does anybody have a clue about this price difference?

I don't get this--are you saying that the PMW200 costs more that the PMW150 in Europe?
I read your post and thought you must have made a mistake - but no, the B&H prices are as you say.

I'd say the PMW200 was a better specced camera than the PMW150, for the reasons above, so the PMW200 costing more didn't surprise me.

As reference, then in the UK expect to pay £4,650+VAT for the PMW200 (Sony PMW-200 (PMW200) Full HD XDCAM EX 1/2inch CMOS camcorder with 50Mb/s recording (http://www.creativevideo.co.uk/index.php?t=product/sony_pmw-200)) and £4,000+VAT for the PMW150 (Sony PMW-150 (PMW150) 3 x 1/3inch CMOS HD Camcorder with 50Mb/s internal recording (http://www.creativevideo.co.uk/index.php?t=product/sony_pmw-150))

The B&H pages do say the PMW160 isn't available yet - I wonder if the price currently given is recommended price, street price to be confirmed?