EP vs. SAPGui

Hello all,

we are starting with a new SAP implementation (R/3, BW, XI, EP, CPCC). We are wondering if going with a 100% EP solution for all endusers would be a good idea. This means no enduser will have a SAPGui installed on their PC and will only use the EP. The second question I have is there a difference in the transaction screen (e.g. MM01) between the SAPGui and the EP? It should be the same, right? Otherwise we would have to create every training document and testing document twice, which doesn't make sense to me.

Thanks for the help,

Alex