There are two ways to intimidate opponents when arriving at a LAN party. The first is to crash your mode of transportation through the host's living room wall or building, but you probably won't be invited back. The other way is to show up wielding today's top deal, a Cooler Master CM Storm Series Trooper (SGC-5000-KKN1) Black Steel / Plastic ATX Full Tower Computer Case for $135 with free shipping (normally $190 - use coupon code: EMCXSXV29 and additional $10 mail-in rebate). It looks aggressive, and since it's a full tower, you can load it up with hardware.
Geil Evo Veloce Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 1866 (PC3 14900) Desktop Memory Model GEV316GB1866C9DC for $90 with free shipping (normally $105 - use coupon code: EMCXSXV26 )
HIS IceQ H787Q2G2M Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card for $220 with free shipping (normally $250)
Corsair Force Series GS CSSD-F360GBGS-BK 2.5" 360GB SATA III Internal Solid State Drive (SSD) for $280 with free shipping (normally $320)
LG 47" 1080p 120Hz Cinema 3D LED TV 47LM4600 for $550 with free shipping (normally $800)