It's really amazing, how many typhoons do the Saudi's really need? It's a great fighter, but they are going to have like 120 typhoon now.
Several years back, Prince Sultan declared their intention to have 200+ Typhoons in service by 2015.
If BAE and Al Salam/AACC get the Saudi-based 'kit'-production facility up and running effectively, then who knows what the final procurement will be?
Typhoon after all not only initially replaces the Tornado ADV; RSAF has had a hole in its OOB since the retirement of the F-5E/F fleet and looking to reactivate those squadrons.
Their F-15 C/D fleet also is now closing on 30 years of age, with many of the airframes having sustained much higher-than-avegrage flight hours. Already older F-15Cs are being retired, one can be seen today in Riyadh's excellent RSAF Museum for instance.