Nintendo's Game Boy Advance SP saw an increase of over 200 per cent in its first two weeks of sales following its first ever European price drop to around GBP 69.99. In addition, after only 2 days on sale, a staggering 250,000 Pokémon FireRed and Pokémon LeafGreen games were sold, following the games' launch on 1st October. In the run up to Christmas 2004 Nintendo will be launching more highly anticipated games including, The Legend of Zelda: The Minish Cap and Mario vs. Donkey Kong. Add to thi…