I have a 3yr old desktop and a 1 1/2 yr old laptop. Which one should I use...

[smgtrek]

...for everyday use? More info...? I have a 3yr old Dell Dimension 3000 Desktop and a 1 1/2 yr old Acer Laptop. I'm not sure which one I should use for everyday use. The laptop seems to get hot since I have it on 20hrs a day. Performance wise they seem to be about equal. I will describe the specs of each.

Dell Dimension 3000 has a Pentium 4 with 2GB of Ram. It has 1 CD Drive and 1 DVD Drive, Huge Hard Drive space (over 200GB) split between 2 HD - 1 came with it and 1 I added for more storage internal. It only has PCI so those ports are full with a GeForce5300fx graphics card, the connection to the 2nd HD, and a wireless internet card. I do have a 3D sound card which is not connected due to space problem. It has XP SP2.

The ACER Laptop has XP SP2 MC 1GB of RAM & 100GB HD. It's a AMD Turion 64 non dual core. Graphics is ATI Radeon1100.I use it with an external keyboard, monitor, and mouse so physically no different from desktop.

I can't decide because i'm concerned with the daily heat coming from the laptop.