The Bulldogs ended the Lions season with a 51-point thumping to advance the Dogs to the 2009 preliminary final.
Brown said the loss would not be spoken about this week because it was still a vivid memory.
"It’s still fresh in the minds of a lot of the players," Brown said.
"But we do have a fair few new players too who weren’t involved in that so of course we remember that, but we’re back on our home deck this time.
"We’re not going to be a contender until we can start beating those calibre sides so the group is really keen to test ourselves against, I think, nearly the best team in the competition."
Brown said applying tackling pressure to stop the Bulldogs' run would be a key to success, but also expressed wariness over the Dogs' new forward set up.
"I think Barry Hall has finished them off," Brown said.
"He’s probably the last piece of the jigsaw puzzle and we saw that in the NAB Cup."
However, Hall will not have to contend with multiple defenders, with Brown suggesting the Lions could not afford to pay him any special attention.
"We’re going to have to beat [Hall] one-on-one because they’ve got a lot of other good forwards as well who have caused problems for us in the past."
Brown has rejected comparisons to Wayne Carey after his scintillating start to the season which has him leading the Coleman medal race (17 goals) and placed second in marks (30).
"You’re just trying to be the best you can possibly be," Brown said.
"At the end of the day the comparisons are for when you finish your playing career.
"Carey was certainly an idol of mine and I don’t think I’d come close to him, that’s my opinion."
Brown believes his start to the 2010 season is his best ever, and has attributed the form to his first uninterrupted pre-season since 2006.
"This year they sort of let the shackles off me a little bit, let me loose and that has stood me in good stead," Brown said.
"I’ve felt really good, I think it’s just indicative of the pre-season and coming in with a healthy body and being able to do a lot of work over the summer which I haven’t been able to do over the last few years."
As for his combination with fellow forward Brendan Fevola, Brown suggested a possible ulterior motive for the ex-Blue's generosity in front of goal.
"I think Fev must have backed me to win the Coleman because he gave me a couple over the top so I don’t know what’s going on," he said.
"He’s a great forward, draws a lot of defenders and I’d say a big bag is just around the corner for him."
