It was really wonderfull guys
these rock box pple must add an option in the rock utill to choose b/w wat to use as prmary.
I worked compltely well on my E250 no problems
thank u creators of reverseBL I owe u a lot
Ok this is for pple who had problems with it
1 get the rock utility from the downloads
2 install rock box in ur sansa
3 Get the sansa ptcher.exe ant the reversebL mi4
4 follw the instructions strictly dont cut and paste or something
5 enjoy ur sansa firm ware as primary
thats wat i did on my sansa and it is working perfectly
link is
http://e200.digerati1338.googlepages.com/reversebl