Just another confirmation of what CPM said.
I went a few weeks ago and fell in love with the place.
Being a "Local", I asked the same question as you have to the front desk. They told me the same as CPM states.
I look forward to my weekend getaways...
Book room at Hard Rock Hotel using "Entertainment Card" at 50% off Rack Rate.
Saturday...
Pre-check-in at HRH early,
Park at the HRH (only $5 per day/night for resort guests)
Get my "Room" key,
WALK to Universal Studios to have the Early Entry priveledge(if available),
Ride MIB over and over before the park "opens" (no lines, no wait even without "EXPRESS"),
The enjoy a nice Two park morning using FOTL,
Lunch at Confisco's(IOA),
Nap at HRH,
Lounge at the pool,
Dinner at Hard Rock Cafe,
Continue Two park experience until fireworks at Universal Studios(if still available),
A little Citiwalk night,
Crawl, err... , walk back to HRH,
Wake up whenever the next day
Breakfast Buffet at HRH's "The Sunset Grille"
and hang out at the HRH pool the rest of the day.
Ahhhh, Paradise in a weekend!!!
HAVE FUN