So, like you said, nobody is here to sell you something, but I will toss this out there. It's a well known brand name red dot, there is also currently a $75 mail in rebate, making it $45 after rebate.
Bushnell AR Optics TRS-26 Red Dot Sight 1x 26mm 3 MOA Dot Integral
And a good site to look for deals is
www.gun.deals.