ABCOM is another company that provides laptop rental services.  Here is a description from their site…

Since 1989, ABCOM has been a leader in the event rental and service industry providing unsurpassed service and superior support on a national level. Laptop Rentals & Notebook Rentals at affordable rates. Choose from a large variety of models for both Window  and MAC laptops. Custom services are available including imaging, networking and on-site installation.
This is one of the few companys that provide good quality and performing laptops for rental. Some of the laptops that they provide for rental are..
  • IBM Lenovo Thinkpad T61 – Intel Core 2 Duo 2.1Ghz
  • DELL Latitude D630 Laptop  – Intel Core 2 Duo 2.2Ghz
  • DELL Latitude D610 Laptop – Intel Pentium M Centrino 2.0GHz
  • HP EliteBook 8730w Mobile Workstation – Intel Core 2 Duo 2.4Ghz
  • HP Compaq 6910p Laptop – Intel Core 2 Duo 2.2 GHz
  • HP NC6220 Laptop – Pentium M 1.86GHz Centrino

Click here to access their website!