Thats alright be grateful your not paying what we pay here in Australia. $150Aud which at moment is about $120Usd.
I do agree with the others though, convenience has been a major plus and I had forgotten about how much it cost me till I read your post
also I think they are great quality and in the time I have had it, touch wood it has been faultless. I have noticed even used transponders sell for high prices so at least if you decide to sell it in the whole scheme of things your outlay shouldnt be to big.