that its called hybrid fibre.. really doesnt mean anything..
the rogers network as a whole is hybrid fibre already now, before the name change.
So in the end.. you will be paying 2+4 = $6 more a month for the new plan.
Benifits? Almost doubleing your downlaod speed, and more than doubling your upload speed.
Soo.. if that is worth $6 to you :)
If not.. you are able to grandfather your existing one you just changed to ongoing without issue.