Sukhjit Hayre, CCIE #40428
I passed the CCIE Service Provider lab after using INE's Service Provider workbook and ATC videos. It took me an intensive year of study after my Routing & Switching success to cover the depth of topics in this blueprint. INE's workbook was thorough and detailed as you would expect, hence I would not hesitate to recommend their materials. All the best in your studies!
I would just like to thank INE and one person in particular, non other than Mr. Brian McGahan. Without his R&S ATC videos this journey would have been impossible; his explanation of technologies- the depth and most importantly the biggest design caveats, helped me prioritize certain aspect of the program better. He has a good, high level overview of what to look out for and he is also able to switch into low level explanations when required, which is the mark of someone who has years of industry experience - simply the best instructor I have ever had!