Bachmann #614 Overland Limited/Union Pacific - DCC upgrade???

[Afrinadian]

I know this has been asked before ...almost 5 years ago from what I can find, so I figured it'd be okay to ask again.

I'm very interested in buying the Bachmann #614 Overland Limited/Union Pacific set, but I really would like something that can support DCC. Is this train set upgradeable?
Is upgrading an engine if it's upgradeable even worth the hassle?

thanks