Received My First Dell Laptop (1st Windows laptop in 5 years)...Now What?

[CharlieDontSurf]

So this baby just arrived in the mail.

SYSTEM COLOR Jet Black edit
PROCESSOR Intel® Core™ 2 Duo T7300 (2.0GHz/800Mhz FSB/4MB cache) edit
OPERATING SYSTEM Genuine Windows Vista™ Home Premium Edition edit
DISPLAY High Resolution, glossy widescreen 17.0 inch display (1920 x 1200) edit
VIDEO CARD 256MB NVIDIA® GeForce® Go 8600M GT edit
MEMORY FREE! 2GB Shared Dual Channel DDR2 at 667MHz edit
HARD DRIVE FREE! 160GB SATA Hard Drive (5400RPM) edit
OPTICAL DRIVE CD writer / DVD player (Combo Drive) edit
WIRELESS NETWORKING Intel Next-Gen Wireless-N Mini-Card edit
BLUETOOTH OPTIONS Built-in Bluetooth capability (2.0 EDR) edit
INTEGRATED WEBCAM No Webcam Option edit
BATTERY OPTIONS 56Whr Lithium Ion Battery (6 cell) edit
SOUND OPTIONS Integrated Sound Blaster® Audigy™HD Software Edition edit
My Software & Accessories
ANTIVIRUS SOFTWARE No Security Subscription (30-day trial)
OFFICE SOFTWARE Microsoft Works 8. DOES NOT INCLUDE MS WORD
WARRANTY AND SERVICE 1Yr Ltd Warranty and Mail-In Service
DATASAFE ONLINE BACKUP Free 3 GB Online Backup for 1
DIAL-UP INTERNET ACCESS No ISP requested

My question is now what to do in terms of
A I always hear stuff like run in administaor...turn off this, turn off that etc

B What antispyware,adware,virus protection should I add to it

C Anything else I should do/know

D How do I transfer my 1000+ songs on my mac Itunes to this dell laptop.

Once I start using it...this thread will be used for all my future Vista/Windows/Dell questions

Tnxs
CDS