computers Linux Toledo business trust

I bought myself a new computer (an H-P Pavilion a6500f) to replace the one I've had since Sep 2004 (an H-P a646c (Athlon 64 3200+, 512MG 2700 DDR SDRAM, and 200GB 7200 RPM EIDE HD). The salesman at BestBuy offered to remove the "trial" software, install their favorite virus software and anti-spyware, and transfer files from my old computer to the new.