Thank you all for your replies.

Kelebek - he hasn't ever had any problem with ear infections but thanks I can see how that would impact on speech.
Falguni - yeah I think its more lazyness than anything! He gets things he wants by pointing so why speak :P
Lilias - thanks for posting that. He is in between those - seems I really don't have all that much to be concerned with really.
RR - your DS seems to talk a lot compared to mine. He can't say animals but when asked where they are he can point to them etc
Sally - DS doesn't have any problems with understand a lot of words its just he can't physically say them so I guess its anyones guess what they'll end up doing tomorrow - I'll check out the link, thanks for posting it