Sources for Technology-based Lesson Plans (hopefully with more focus on the curriculum content than the technology):

ISTE (The International Society for Technology in Education) is the creator of the National Educational Technology Standards for Students (NETS-S). They have a database of lesson plans (multidisciplinary resource units) that can be searched by subject, grade range, or title.
http://cnets.iste.org/search/s_search.html

University at Buffalo, in the State University of New York system, has a website, "Assistive Technology Training Online," that nicely incorporates tutorials and lesson plan ideas together. They cover many software and hardware designed specifically for a variety of special needs learners but also address using Word and PowerPoint in ways that benefit all students.
http://atto.buffalo.edu/registered/Tutorials.php

i4c (internet 4 classroms--Helping Teachers Use The Internet Effectively) has a list of links to Integrated Techology Lesson Plans.
http://www.internet4classrooms.com/integ_tech_lessons.htm

The Educational Technology Clearinghouse (ETC) by University of Southern Florida (USF) has links to educational resources for Florida's teachers. There are many other resources included in addition to lesson plans (tutorials, online simulations, web-based information resources).
http://etc.usf.edu/

LessonPlanZ.com has a category of lesson plans called "Computers and Technology" that includes a variety of lesson plans using the internet, specific software, and general tool-based software (word processing, spreadsheet).
http://lessonplanz.com/Lesson_Plans/Computers___Technology/

Kings Park Elementary School in Springfield, Virginia, has posted lesson plans that they use (some they created) with kindergarten to 3rd graders to integrate technology into subject matter. (Note: SOL stands for Virginia's Standards of Learning.)
http://www.fcps.k12.va.us/KingsParkES/staff/index.htm

McREL (Mid-continent Research for Education and Learning) has some technology lesson plans posted. They are organized by computer technology topic and not subject matter.
http://www.mcrel.org/lesson-plans/tech/techlessons.asp

Microsoft has a collection of lesson plans organized by grade level, feature methods for integrating technology into school curriculum areas. This searchable database has fields including grade/age level, theme, product (Microsoft products only), and learning area (includes more than just academic categories).
http://www.microsoft.com/Education/LessonPlans.aspx

discoveryschool.com has a lesson plans library with a technology sub-category. This list of lesson plans is sorted by grade level.
http://school.discovery.com/lessonplans/tech.html

LessonPlansPage.com has a page of computers and internet lesson plans for junior and senior high school.
http://www.lessonplanspage.com/CIJH.htm

Education World has an article on "Five Technology Lessons Every Teacher Can Teach" that has links to the five lesson plans and a list of other resources at the bottom of the article.
http://www.educationworld.com/a_lesson/lesson/lesson285.shtml

Thirteen Ed Online, public television's award-winning Web service for teachers, has many lesson plans that are web-based but many also use other media. Each month they create new lessons based upon PBS series and around web resources.
http://www.thirteen.org/edonline/lessons/

North Carolina Department of Public Instruction has a database of lesson plans, data files, tutorials, and much more
http://www.learnnc.org/DPI/instserv.nsf/Category2?OpenView&Start=1&Count=30&Expand=5#5

Digital Age Teaching Tools
http://www.certiport.com/portal/common/htmllibrary/datt/lesson-plans.html