Decided to go with the hp, have upgraded the ram and the system is running vm's like a dream

Oh yeah I would definately ugrade my RAM to 8Gb, it would be stupid of me not too.

G'day guys and gals, upgrading my laptop from an Asus Pro31F which boasts;

Intel Core Duo T2350 1.86Ghz, 2MB Cache,
(2X512MB) 1024 MB DDR2 Expandable to 2048MB DDR2,
120GB SATA 5400RPM Hard Drive,
Intel Shared Graphics 950,
Optional Floppy Disk,
Built in Dual Layer DVD Burner,
15.4" Colour Shine with WXGA (1280 X 800) Resolution,
10/100 LAN, Bluetooth V2.0 +EDR and Wireless 802.11 a/b/g, 1xExpress Card slot, 4xUSB V2.0 Ports, 1xVGA out, 1xS-Video, 1xFirewire IEEE1394
Built-in 1.3MP Webcam.

and replacing it with either a....

DELL Inspiron One 2310 - All in One             


Intel Core i5
460M Processor (2.53 GHz, 3M Cache),
4GB 1333MHz DDR3 SDRAM (2 x 2GB)
500GB SATA Hard Drive @ 7200 RPM
WLED 23"  Full HD ( 1920 x 1080)
Digital TV Tuner ( with media remote control)
Integrated 2.0 Mega Pixel Web Cam
1GB ATI Radeon™ HD 5470 Graphics,
Tray Load 8X DVD +/-RW with Dual Layer Write

or a Hewlett Packard Pavilion DV6-7031TXwith;

Intel Core i7
Processor Bus:1333MHz
Processor Cache: 6MB L3 Cache
Processor Speed:2.3GHz - 3.3GHz

Graphics    
NVIDIA GeForce GT 630M Graphics 2GB GDDR3

Memory info
Hard Drive Size:640GB
Hard Drive Speed:5400-rpm
Memory:4GB DDR3

Bluetooth Compatible:   Yes
Network: Integrated 10/100/1000 Gigabit Ethernet LAN (RJ-45 connector)
Wireless: 802.11b/g/n WLAN

what are peoples thoughts on this...? The main difference obviously is that the first one is a all-in-one computer and the other is a notebook the other would be that one is slightly cheaper being a couple of hundred dollars then the other.

Look forward to reading your responses.