Pokemon black 2 or ds lite

[Nintendo_Lover13]

Hey so yesterday I went to GameStop and I traded in a bunch of stuff and got 260 dollars of in store credit and with that I got a dsi which was blue hate the color I got Pokemon white 2 and the game guide as well so now I have 70 dollars of in store credit on my card. I miss playing the gba games on a ds lite I have to Pokemon FireRed and Pokemon Emerald. I want a white or black ds lite but it's not available online I did find a refurbish ds lite for 69 dollars though but it'll take up all my money. I can always trade in more stuff as well. So what do you guys think buy Pokemon Black 2 or get the ds lite. I'm also a collector that's why I got the dsi even though I'm not a huge fan of it.