looking at buying a XPS 15 with a solid state 256 gig HD over a regular HD is it worth it and are solid state drives proven? I know it’s basically flash memory right?

How I want to configure my next laptop

2nd generation Intel Core i7-2640M

Windows  7 Professional OS

Office Home and Business 2010

256GB Solid State Drive

NVIDIA GeForce GT 540M 2GB graphics with Optimus & TV Tuner

15.6 FHD B  RGLED TL 1920x1080

Blu-ray Triple Writer and Roxio Creater 2011

JBL Speakers with Creative Sound Blaster

Intel Centrino N 6230,  Bluetooth

 PUSH2TV HD to display on my LG HDTV if I want