is offering a US$35 mail-in rebate on Mac OS X 10.4 Tiger, the next major version of Apple’s powerful operating system. Amazon is selling Tiger for $129.99, so the price will be $94.99 after rebate (including free shipping). The offer is valid until May 31, 2005. No release has been provided by Apple for Tiger, only saying it will be released in the first half of 2005. Update: The rebate has been pulled by Amazon. No reason was given.