.... I was thinking I could put the base until in a cupboard ....
Make sure you take care of heat issues. (been there, done that)
Also, for video processing I wonder if you would have any kind of lag between the processor and the display (I figure that lots more data gets transmitted to a monitor than what goes through something like the wireless keyboard and mouse I am using right now). Disclaimer: I have only done home video using DV, first on my laptop and on my desktop (which needs more memory!).
Does the baby need its own room? Can it share with the other child? (we used to live in a one-bedroom house with two kids, their room had been a dining room*).
Sometimes we have put a case under a dining room table, the monitor on the table... and moved the keyboard and mouse out of the way when necesary. If you had a flatscreen monitor it is easier to get out of the way.
Other options would be to get a
computer hutch that you can set up in another room, and close up when you are not there... OR for more portable option; I saw a small computer desk at Office Depot that has wheels so it can be moved (
Amazon has it!)
By the way, I live in a house with four functioning desktops and 5 laptops. My desktop lives in a large computer desk with a hutch. The door that is supposed to hide the computer has been removed due to heat concerns. In the basement hubby built a ten foot long desk... which has on it three monitors (between 17 to 21 inches), and under it are 3 cases that work and one that is a spare... and two keyboards (there is a switch to connect one keyboard to two computers, used when hubby plays Diablo on two machines).
The laptops move from surface to surface... But very often they are on something like this,
Rolling Laptop Cart . Which is really cool because it works if you are on the chaise lounge or in bed (one is going to be moved to daughter's room this weekend, her computer desk is where her sewing machine is going to live).
* In that tiny bungalow we did manage to finish the basement not long before 2nd son was born (I remember taping the walls with Son #1 in his baby bouncer). I really liked that big room. In one section we had a room for a computer desk (now my sewing machine table) with a rolltop desk behind it. I could use the computer, spin around and get things from the rolltop desk (pulling out the trays on either side, so I could be surrounded by my paper... I designed our present house down there... using a mouse while Son #2 nursing or sleeping in my lap). ALSO... that room had lots of room (it was almost a third of the house's upstairs area!), a TV, a sleeper sofa, a half-bath and a small sewing area. Since I could close the door, I could have toddlers playing there and work at the computer or sewing machine without too much worry.