Hello 

1. Can i import my old url's from opensef? Ich have 600 rewritten urls. Deviating from the title of every site. 

2. I can give individual URL to each side

3. How much per cent is sef advance faster sef than open sef

4. My Load average is now ~3 with open sef.    
As it would reduce with sef advanced?

So many questions.

Thanks
Easy