Animation Source Forums

The key word when searching for PSP-compatible memory cards is "Duo". Memory Stick DUOs only work, they're mainly made by Scandisk.

There are:

32 MB ~ No more than $20. Don't get this is your planning to put music or games in your PSP
64 MB ~ No more that $20 too.
128 MB ~ No more than $20 either. Just enough room for one playlist.
256 MB ~ Close to $30. Not real special.
512 MB ~ Around $40. Most everyone is happy with these.
1.0 GB ~ Used to be around $100, but have since dropped to the $50 range
2.0 GB ~ Expect them in the high-onehundreds.
4.0 GB ~ Top of the line, right here!!! Around $200- $240.
PSP 4.0 GB Hardrive Extended battery life, and built-in memory; goes in the battery compartment. Around $200- $240 as well.

As for games, expect new releases to be about $50. Wait for it to go down, and you may be able to get it for $30. However, all the games that suck go for anything about and under $25.

If you have a wireless router, yes, you can use it. However it you DON'T have one, I'm strongly against you going out and laying down $120 to buy one. Instead, you need The Wifi Max. It costs about $40, and you need Windows XP to use it. It alsocomes with a media manager software. The Wifi Max is also compatible with the Nintendo DS.

420 MB? Hmmm...you might be able to fit it on. I have the first movie on MY PSP, and it's only 241 MB. PM me if you have trouble ripping the DVD onto your PSP.