If you have never done a PS2/3 upgrade, it can be interesting. Have done about 20 of these and the wire management (28 to 30 gauge) is not fun for me; personally for me, these are not a drop in upgrade. It is work for me. In addition, I believe there are three boards required for a steam conversion to PS3; then one has to download files to the board; be careful about the ground also. But I agree, for me I would go to PS3 as I have been there and the cost will be less; but if I upgrade any conventional loco, I go TMCC; no files to load; let GRJ make the sound and smoke good. Depends how much time and patience you have; personally I like the simplicity of ERR and the good sound of railsounds. Good luck either way; Falcon70
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