Scammer?!

If someone send me this message for a laptop, it's probably scam, right? Especially, since I only ask for 800 on craigslist... he has never seen it and wants me to send it out :/

"Alright..I'm sorry i don't have a meet up schedule so I'll be offering you $900 including shipping fee and am paying via PayPal..I'll be glad if you accept my offer and get back to me with an Request via PayPal to jerrymark4230@yahoo.com i'll process the fund immediat ely"