Oh snap! They replaced the SERO plan.
http://delivery.sprint.com/m/p/sprin...pclanding.asp#
Everything Plus 500 — 500 Minutes, EVDO, SMS, MMS, GPS Nav - $ 59.99
Everything Plus 1000 — 1,000 Minutes,EVDO, SMS, MMS, GPS Nav - $ 79.99
Simply Everything (Unlimited) — Unlimited voice ,EVDO, SMS, MMS, GPS Nav - $ 99.99
The Instinct was one of the phones on the list but now I can't check without a 3-digit CID.