Bought the refurb 2012 MBP. Shipped with Mountain Lion. Will go all the way up to present system. I will probably update my mid-2010 to ML. Any known issues with ML?

Looking at upgrading Adobe CS 4 to CS 5 because it is 64 bit.


Mid 2010 MacBook Pro 13"
2.4GHz, 750GB SATA HD, 8 GB RAM, OS 10.7.5
1 HDX1500 2TB Ext.HD, 2 HDX1500 1TB Ext.HD
HP Laserjet 6MP printing postscript via 10/100 Intel print server
Netgear WN2500RP Range Extender (Ira rocks!)
Linksys WRT1900AC Wireless Router
Brother MFC-9340CDW Color Laser
iPad Air