I dont know yet if i intend to buy it on ps2 or pc, luckily my .hack//G.U. is already payed in full so i dont have to worry about it. However finding PSU on PC might be an issue since i only buy games at work to get them cheaper and i only know of one suplier that carry this kind of stuff (only order somewhere else if there's a limited edition like for g.u. and ffxii -.- ).
I might just go with a ps2 version, im lazy, i prefer lyin in my bed playing ps2 than being on my chair in front of a computer, it also depends the damage to my wallet with other games on the way, there's so many ><; . A lot of my friends are buying it, heck i feel nostalgic everytime i hear about the game since PSO on Dreamcast was one of the first online games i played.

I'm tempted, but I don't think I will, it'd require too much time.

I will once I'm able. I'm kind of busy ATM, but I think I can do some casual gaming every so often. And since that Ragnarok Online thing went the Way of the Dodo...

I think between G.U. and PSU, I'll get my gaming fix.