currently i am on the wheel the bike came with..they are alez rp15f rims with steel spokes and unnamed hubs... im looking at either of these ..and others if you guys no of ne proforably are 400.. here are the two im looking at

http://www.bicyclebuys.com/item/0508028PART

or

front
http://www.neuvationcycling.com/product118.html
rear
http://www.neuvationcycling.com/product119.html

please help..im new to cycling so im not to sure...