How does this Sony laptop compare to my old Dell one?

SONY LAPTOP SHOULD I PAY FOR?
Intel® Core™ i3-330M processor
Features a 3MB cache and 2.1GHz processor speed.
The all new 2010 Intel® Core i3 CPU
Features smart 4-way processing performance for HD quality computing.
4GB DDR3 memory
For multitasking power, expandable to 8GB.
Blu-ray Disc-enabled DVD±RW/CD-RW drive
Features read support for Blu-ray Disc (BD-ROM, BD-R, BD-RE). Double-layer stand by using compatible DVD+R DL and DVD-R DL media. Also supports DVD-RAM.
14" LED-backlit widescreen display
With 1366 x 768 resolution showcases movies and games in stunning logic.
500GB Serial ATA delicate drive (5400 rpm)
Offers spacious storage and express read/write times.
NVIDIA GeForce 310M GPU
Features 256MB dedicated video recall and 2007MB total reminiscence. HDMI output for connection to an HDTV. Intel® High Definition Audio post.

MY CURRENT LAPTOP FROM DELL
Windows Vista Residence Premium Service Plurality 2 (I can incline to Windows 7 for free but i like my dock)
Manufacturer : Dell
Model: Studio 1555
Processor: Pentium(R) Dual- Midpoint CPU T4200@ 2.00GHz 2.00GHz
Memory(RAM) : 4.00GB
System type: 32-bit Operating System
Art Adapter: ATI Mobility Radeon HD 4570 {Default LCD) (PLAYS BLURAY ALSO
Desktop Area?: 1366x768

each one on here says my concern sucks

Should i purchase a new laptop? I'd be buying a laptop about 200 dollars more expensive than the Ipad which i what i had my money lay aside for .