Remember the old adage. If it ain't broke don't fix it. If your scanner (which incidentally is a Mustek 1200UC rebadged) is working OK and doing what you want it to do why change?
But here are an awful lot of scanners for you to look at. click here
I have an Epson Perfection 3170 Photo scanner. It scans everything and includes a film and slide adapter, click here