Yes, keep the Deluxe. Fine amp. If you sell it, you'll regret it soon en you end up buying the same amp again.
I heartily concur. Have just had twins arrive myself and went through this whole dilemma. My amp's a Carr Rambler I acquired used for about half the cost of a new one, and it's the sound I've been hearing in my head for 20 years. Very nearly flogged it in a mad five minutes when obsessively worrying about the cost of twins...but fortunately I didn't. (Would never,
ever be able to get another.)If nothing else, it's an heirloom for the kids.
Going off-track momentarily: these guys are worth signing up to for twin advice/discounts:
http://www.tamba.org.uk/Also, join local twin groups - it's amazing how many generous souls will donate clothes, etc.
Good luck! First children?