What i originaly wanted was to have 2 HDs, one for linux, another for windows, but since i can't get a second HD right now, partitioning will have to sufice i guess.

What i want to know is if i partition about 10 gigs for linux will i be able to go back and repartition the same 10 gigs back to windows once i decide to move everything to a second HD?

Second, what do i use to partition? Are there any good little programs for this or should i just use fdisk?

Third, say once everything is set up and working properly how will i be able to select to which OS i want to boot? Will bios recognize the linux partition and give me an option between the two?

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What i want to know is if i partition about 10 gigs for linux will i be able to go back and repartition the same 10 gigs back to windows once i decide to move everything to a second HD?

Yes, or you can simply reformat the spare partition and use it as an additional partition for either your Linux or Windows system. Linux will run faster if it can do I/O to 2 drives simultaneously. I use 10 partitions across 3 HD. One partition is a Yoper Linux system which I rarely use. The other 9 partitions are used by SuSE Linux.
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Second, what do i use to partition? Are there any good little programs for this or should i just use fdisk?

All the Linux distributions come with partitioning programs. You can use fdisk before the install or your distribution partitioning program during the install. Once you have a working Linux system you can use parted.
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Third, say once everything is set up and working properly how will i be able to select to which OS i want to boot? Will bios recognize the linux partition and give me an option between the two?

When you install Linux the install process will install a bootloader (either lilo or grub) which will allow you to choose which OS to boot.
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Alright, thanks alot.