I have a suspicion this post is just to up his website ranking going by the signature.
To TS: if you are an experienced photographer it would be best to post at canon subsection rather than here, and you should be specific to your question and by the way good is subjective. I say go for it, buy cos it will be good to the shop selling it at least. they make some money and that will help the economy.
The first generation 5D was launched in 2005 while the MK II last year. So difference in technology is also a factor to consider. If u need higher ISOs, full HD video recording and more pixels mainly then the MK II is the choice. If these factors are critical for u then just get it and burn the extra $1K+ cash.