See my post just a couple above, I agree Biss gives you more of what you already have in terms of Fred and McT
where as Rice offers you a more like for like Matic replacement, it depends which one you want or need more.
I love Biss in our team and we do not play with an out and out DM, he's more likely to play alongside Lallana, Alzate or Mwepu in our midfield, but then we play with a back 3 and wing backs more often than not, so we do not need a full on DM player like Rice. I would argue you do. Though
@Lash would point out I am just trying to put you off one of our best players and since Ole and your scouting team obviously read the caf I would say I'm doing a pretty good job!