Handspring, Inc. announced a holiday offer for its Treo 180 communicators for $99 after mail in rebate. For a limited time, and only while supplies last, customers who purchase a Treo 180 or 180g with a GPRS service contract from T-Mobile will be eligible to receive $150 through a mail-in rebate. A GSM service contract from T-Mobile that includes a 10MB or higher GPRS data plan (recommended for Treo customers) is required to qualify for the rebate.