It could be a server issue and not the system... but everything about the OS seems a bit sluggish. I have only downloaded Trine 2, demos and the VC games so, I personally haven't experienced super long download times.
Hopefully you're right and the spring update will solve ALL of the issues...
Steam/Origin ID: salorider
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PSN: salorider
3DS Friend Code: 4983-4984-4179