He told PA Sport: "It's a beautiful place to play and if we've got any ambition of getting out of this division, it's somewhere we've got to get a result.
"They were the favourites at the start of the season and I still believe they will be in the top two at the end of the season.
"It would be nice to be in Forest's position, to be able to bring in players like (Julian) Bennett and the lad (Sammy) Clingan from Wolves and they've also brought in (Nathan) Tyson for a few pounds.
"We know it'll be a tough game against them."