Tridion migration Questions from SDL Tridion 5.3sp1 to 2011sp1

Question

We have to migrate Tridion 5.3sp1 to 2011sp1,

if somebody have some experience on this kind of migration,

we are using only following features.

• DWT ( i dont see much changes in it)
• Tom.net
• TOM (TDSEClass)

what all needs to change? What are pain areas?

Where can i get more information online?

Answer 1

Pain areas are depend on your implementation so you first need upgrade scan from an expert or sdl professional services or partner.

Here is good list you may want to read.

Core services code