The first thing many people do is buy a computer then think about their software. This is wrong. You need to sit down and make a list of everything you’ll want to do. Then simply organize these “things” by priority. Things you MUST have, down the line to “would be nice, but can live without.”
Then go shopping online. Go to places like Buy.Com or PriceGrabber to see what is going to cost you what. Build a computer at Dell and see what it costs you.
Do you need blu ray? Probably not. High Def can only be seen by humans on screen of 30" or more. If it’s less you can’t preceive the difference. But of course you can hook your computer up to run through a TV bigger than 30" so that might be a consideration.
Battery life is very important in a laptop. You’ll probably use your battery more than you think. So definately look into that. READ reviews online to see what is the TRUE life.
Running hot. Some laptops tend to run hot which can make them uncomfortable to put on your lap or a bed. Again read reivews.
Consider weight and size. I know you said it isn’t an issue, but why not make it convenient if you must. Who knows you could move some day and need to walk with it.
A firewire port or an eSATA port is extremely useful. As a matter of fact, I’d have an eSATA port put in. If you hook up an external hard drive an eSATA port will make the external drive almost like a internal harddrive. An external hard drive of 1TB can be bought for about $100.00 now.
As many USB and Firewire ports as you can get always helps
RAM unless your a serious gamer up 4g of RAM should be fine for most people. If you’re a gamer you can’t have too much RAM (which means 64 bit system).
Macs tend to be hardier than Windows. So if you’re one of these people who refuses to shut down the computer right and just unplugs it, go with a Mac. They handle the abuse better.
Software for Macs tends to cost more, but if you made your list you’ll know what software you’ll be needing.
I think the most important things are: Weight, Heat, Battery Life, and and eSATA port.
Last thing, never buy a laptop online without trying a similar one. If it’s cheaper online fine, but go to BestBuy or somewhere like that and try the model out. Some laptop keyboards just are not comfortable or have have keys that don’t press right. You want to be able to type and hold the laptop. Then if that’s OK you can go online and buy it