Sites of Ideas about Bicycling through New Zealand

Looks like I'll need multiple trips to New Zealand to have all the adventure I want. This trip I won't have time to enjoy a bicycling trip (but perhaps I can squeeze at least one day of cycling in). A friend asked for cycling trip info, and I found these four sites that look tantalizing - especially the first two:
Here are links to four web sites I found for bicycling in New Zealand. Let me know what you end up doing.
http://www.activenewzealand.com/?gclid=CMaJ_b2GlJcCFQOaFQodbSkv-A

http://www.pedalerspubandgrille.com/rides/nz-grand.htm?gclid=CKL_ttKHlJcCFRgqHgod-kWo-w

http://www.vbt.com/Warm-Winter-Destinations/New-Zealand/New-Zealand-The-South-Island-2008/Bicycle-Tour-Details.aspx?utm_source=google&utm_medium=cpc&utm_keyword=default&gclid=CP_SxqGHlJcCFQSPFQodMBKl-Q


http://gorptravel.away.com/xnet/search-2.tcl?destination_id=149&activity_id=1