Replace Desktop with Macbook pro

hi,

is it better to replace the following build


Asus AS P7P55D-E PRO P55 w/GBE-1394A-usb 3.0-sata3
CPU Intel i5-760
RAM: Xtreem Dark 2x2GB 1600 CL8 4GB Kits / 8-8-8-24
Asus AS EAH5870/1G
WD1002FAEX HDD, WD Caviar Black, 3.5",1000GB (1TB), 7200RPM, 64MB, SATA 6Gb/s



with this macbook pro system

2.2GHz quad-core
Intel Core i7
4GB 1333MHz
750GB 5400-rpm1
Intel HD Graphics 3000
AMD Radeon HD 6750M with 1GB GDDR5
Built-in battery (7 hours)2



thank you