>>>>>>And what is the likely lifetime of WPF or is there already a replacement brewing with Microsoft which will again invalidate developers years if experience training .
>>>>>>
>>>>>
>>>>>
>>>>>That is asking for the unknown future (speculation?). If they find a better way I don't see something wrong that it could change again.
>>>>>Cetin
>>>>
>>>>
>>>>No I agree but sometimes it seems like you climb the Microsoft mountain and when you get to the top you see there's just another slightly taller mountain in front of you.
>>>
>>>Wouldn't you get bored just wandering around on a plateau ?
>>>OTOH you might climb to the top of the next rise and find it leads over a cliff. But I'd rather take the chance :-}
>>
>>
>>More than happy to keep walking up a slope. Its the constant up and down I don't like.
>
>OK. Now you've refined your analogy to include a valley between the mountain you're on and the higher one on the other side - which is probably a better representation. And it will take a while to get to the same altitude on the higher mountain. But IF the higher mountain represents a better technology isn't it still worth repeating the climb ?

Thats a big IF isn't it. That feeling of euphoria may be lack of oxygen (or paying punters)