Off the shelf Ultrasonic record cleaners are approx £2500.
Here's a ready made 4 disc spinner.
You can get a Sonic tank in the UK for a couple of hundred.
If you cannot get to hear them both together then personal view would be go to a dealer and see if you can audition the 1042 against the equivalent Ortofon and Grado offerings.
You will always get conflicting reviews people have their favourites and set views. High compliance in the Rega should only be an issue if records are warped .. Personal view is if you cannot use a Decca get a moving coil - for your Rega a Denon 103 would match beautifully but you will need a head amp or transformer perhaps for the NAD. However, that could give you the excuse to get a Pioneer A400 which has mc mm input and is a great sounding amp .. or a host of other choices. FM tuners are two a penny on ebay .. if you are serious about fm sound then try and get a Yamaha CT800 or even better a CT1000. As for me I have gone DAB as in the UK there is a better program choice and i don't do serious listening on the radio ...