It's been rumored that BlackBerry Internet Service 2.6 will be bringing some updates mid-March. Some of which includes:
Better Gmail Integration
.Accessing Gmail through IMAP.
.Provides one-way (BB Gmail) sync of read / unread status, delete, & sent items
.duplicate message elimination issues on sent items
.This update works with Gmail, Googlemail domain, and any other Google Apps domains
.Support for new email economical service tier: “@ BlackBerry”
Access to hosted email address only
.32kb Email
.Better POP3 Mail notification

This plus a lot more
via: BIS 2.6 to Bring New Low Cost @BlackBerry Service - Aimed at Lowering the Barrier & Addicting Price Conscious Customers | »

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