Here's another special offer from Flexera Software, available through June 30, 2010:

When buying InstallShield Professional or Premier with a Silver or Gold maintenance plan, you can get 18% off the bundle price. This means that you essentially get the maintenance plan at a very low add-on price.

As a benefit of your maintenance plan, you'll receive free product upgrades (e.g. InstallShield 2011) and technical support from Flexera Software for 12 months. Note that a single upgrade costs more than a maintenance plan, so if you plan to keep your InstallShield version current, a maintenance plan has always been the the most cost effective way - even without this discount offer.

The 18% discount only applies to purchases of the full version of InstallShield Professional or Premier bundled with a Silver or Gold maintenance plan. It's not valid for upgrades, nor for the Express edition. Also the offer isn't valid for Bronze maintenance, but the discounted Silver bundle is cheaper than the regular Bronze bundle.

You can purchase InstallShield in the InstallSite Shop at http://www.installsite.biz/ix.htm

P.S. the InstallShield Special Offer for Wise Installation users is also available until June 30.